Release 0.37.4

# History ## 0.37.4 Install/update via the bootstrap script: ```shell wget -NP . https://dokku.com/install/v0.37.4/bootstrap.sh sudo DOKKU_TAG=v0.37.4 bash bootstrap.sh ``` ### Bug Fixes - #8168: @josegonzalez Install logrotate in the container ### Tests - #8254: @josegonzalez Add a test to prove cron:run commands work as expected - #8255: @josegonzalez Update test ruby app ### Dependencies - #8252: @dependabot[bot] chore(deps): bump pymdown-extensions from 10.19.1 to 10.20 in /docs/_build - #8253: @dependabot[bot] chore(deps): bump qs from 6.14.0 to 6.14.1 in /tests/apps/checks-root - #8249: @dependabot[bot] chore(deps): bump traefik from 3.6.5 to 3.6.6 in /plugins/traefik-vhosts - #8250: @dependabot[bot] chore(deps): bump github.com/traefik/traefik/v2 from 2.11.33 to 2.11.34 in /plugins/scheduler-k3s - #8247: @dependabot[bot] chore(deps): bump ruby from 3.4.8 to 4.0.0 in /tests/apps/dockerfile-entrypoint ### Other - #8248: @osbre Add `proxy-keepalive` to Nginx properties
Merge pull request #8168 from dokku/8166-logrotate
2026-01-05 04:54:10 +00:00 · 2026-01-04 23:52:59 -05:00 · 2026-01-04 23:52:27 -05:00 · 2026-01-04 23:51:10 -05:00 · 2026-01-04 22:03:59 -05:00 · 2026-01-04 20:46:00 -05:00
83 changed files with 545 additions and 172 deletions
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,35 @@
 # History

+## 0.37.4
+
+Install/update via the bootstrap script:
+
+```shell
+wget -NP . https://dokku.com/install/v0.37.4/bootstrap.sh
+sudo DOKKU_TAG=v0.37.4 bash bootstrap.sh
+```
+
+### Bug Fixes
+
+- #8168: @josegonzalez Install logrotate in the container
+
+### Tests
+
+- #8254: @josegonzalez Add a test to prove cron:run commands work as expected
+- #8255: @josegonzalez Update test ruby app
+
+### Dependencies
+
+- #8252: @dependabot[bot] chore(deps): bump pymdown-extensions from 10.19.1 to 10.20 in /docs/_build
+- #8253: @dependabot[bot] chore(deps): bump qs from 6.14.0 to 6.14.1 in /tests/apps/checks-root
+- #8249: @dependabot[bot] chore(deps): bump traefik from 3.6.5 to 3.6.6 in /plugins/traefik-vhosts
+- #8250: @dependabot[bot] chore(deps): bump github.com/traefik/traefik/v2 from 2.11.33 to 2.11.34 in /plugins/scheduler-k3s
+- #8247: @dependabot[bot] chore(deps): bump ruby from 3.4.8 to 4.0.0 in /tests/apps/dockerfile-entrypoint
+
+### Other
+
+- #8248: @osbre Add `proxy-keepalive` to Nginx properties
+
 ## 0.37.3

 Install/update via the bootstrap script:
--- a/README.md
+++ b/README.md
@@ -85,8 +85,8 @@ Otherwise, you will need to import the keypair manually after installation using
 To install the latest stable release, run the following commands as a user who has access to `sudo`:

 ```shell
-wget -NP . https://dokku.com/install/v0.37.3/bootstrap.sh
-sudo DOKKU_TAG=v0.37.3 bash bootstrap.sh
+wget -NP . https://dokku.com/install/v0.37.4/bootstrap.sh
+sudo DOKKU_TAG=v0.37.4 bash bootstrap.sh
 ```

 You can then proceed to configure your server domain (via `dokku domains:set-global`) and user access (via `dokku ssh-keys:add`) to complete the installation.
--- a/debian/control
+++ b/debian/control
@@ -1,9 +1,9 @@
 Package: dokku
-Version: 0.37.3
+Version: 0.37.4
 Section: web
 Priority: optional
 Architecture: amd64
-Depends: apache2-utils, locales, git, cpio, cron, curl, man-db, netcat, sshcommand, docker-engine-cs (>= 19.03.0) | docker-engine (>= 19.03.0) | docker-io (>= 19.03.0) | docker.io (>= 19.03.0) | docker-ce (>= 19.03.0) | docker-ee (>= 19.03.0) | moby-engine, docker-compose-plugin | moby-compose, docker-buildx-plugin | moby-buildx, docker-container-healthchecker, docker-image-labeler, lambda-builder, net-tools, netrc, parallel, procfile-util, rsync, dos2unix, unzip, util-linux
+Depends: apache2-utils, locales, git, cpio, cron, curl, logrotate, man-db, netcat, sshcommand, docker-engine-cs (>= 19.03.0) | docker-engine (>= 19.03.0) | docker-io (>= 19.03.0) | docker.io (>= 19.03.0) | docker-ce (>= 19.03.0) | docker-ee (>= 19.03.0) | moby-engine, docker-compose-plugin | moby-compose, docker-buildx-plugin | moby-buildx, docker-container-healthchecker, docker-image-labeler, lambda-builder, net-tools, netrc, parallel, procfile-util, rsync, dos2unix, unzip, util-linux
 Recommends: herokuish, bash-completion, dokku-update, dokku-event-listener
 Pre-Depends: gliderlabs-sigil, jq, nginx (>= 1.8.0) | openresty, bind9-dnsutils, debconf, plugn, sudo, python3, rsyslog
 Maintainer: Jose Diaz-Gonzalez <dokku@josediazgonzalez.com>
--- a/docs/_build/requirements.txt
+++ b/docs/_build/requirements.txt
@@ -12,7 +12,7 @@ mkdocs-material==9.7.1
 mkdocs-material-extensions==1.3.1
 packaging==25.0
 Pygments==2.19.2
-pymdown-extensions==10.19.1
+pymdown-extensions==10.20
 pyparsing==3.3.1
 python-dateutil==2.9.0.post0
 PyYAML==6.0.3
--- a/docs/advanced-usage/plugin-management.md
+++ b/docs/advanced-usage/plugin-management.md
@@ -36,35 +36,35 @@ dokku plugin:list

 ```
 plugn: dev
-  00_dokku-standard    0.37.3 enabled    dokku core standard plugin
-  20_events            0.37.3 enabled    dokku core events logging plugin
-  app-json             0.37.3 enabled    dokku core app-json plugin
-  apps                 0.37.3 enabled    dokku core apps plugin
-  build-env            0.37.3 enabled    dokku core build-env plugin
-  buildpacks           0.37.3 enabled    dokku core buildpacks plugin
-  certs                0.37.3 enabled    dokku core certificate management plugin
-  checks               0.37.3 enabled    dokku core checks plugin
-  common               0.37.3 enabled    dokku core common plugin
-  config               0.37.3 enabled    dokku core config plugin
-  docker-options       0.37.3 enabled    dokku core docker-options plugin
-  domains              0.37.3 enabled    dokku core domains plugin
-  enter                0.37.3 enabled    dokku core enter plugin
-  git                  0.37.3 enabled    dokku core git plugin
-  logs                 0.37.3 enabled    dokku core logs plugin
-  network              0.37.3 enabled    dokku core network plugin
-  nginx-vhosts         0.37.3 enabled    dokku core nginx-vhosts plugin
-  plugin               0.37.3 enabled    dokku core plugin plugin
-  proxy                0.37.3 enabled    dokku core proxy plugin
-  ps                   0.37.3 enabled    dokku core ps plugin
-  repo                 0.37.3 enabled    dokku core repo plugin
-  resource             0.37.3 enabled    dokku core resource plugin
-  scheduler-docker-local 0.37.3 enabled    dokku core scheduler-docker-local plugin
-  shell                0.37.3 enabled    dokku core shell plugin
-  ssh-keys             0.37.3 enabled    dokku core ssh-keys plugin
-  storage              0.37.3 enabled    dokku core storage plugin
-  tags                 0.37.3 enabled    dokku core tags plugin
-  tar                  0.37.3 enabled    dokku core tar plugin
-  trace                0.37.3 enabled    dokku core trace plugin
+  00_dokku-standard    0.37.4 enabled    dokku core standard plugin
+  20_events            0.37.4 enabled    dokku core events logging plugin
+  app-json             0.37.4 enabled    dokku core app-json plugin
+  apps                 0.37.4 enabled    dokku core apps plugin
+  build-env            0.37.4 enabled    dokku core build-env plugin
+  buildpacks           0.37.4 enabled    dokku core buildpacks plugin
+  certs                0.37.4 enabled    dokku core certificate management plugin
+  checks               0.37.4 enabled    dokku core checks plugin
+  common               0.37.4 enabled    dokku core common plugin
+  config               0.37.4 enabled    dokku core config plugin
+  docker-options       0.37.4 enabled    dokku core docker-options plugin
+  domains              0.37.4 enabled    dokku core domains plugin
+  enter                0.37.4 enabled    dokku core enter plugin
+  git                  0.37.4 enabled    dokku core git plugin
+  logs                 0.37.4 enabled    dokku core logs plugin
+  network              0.37.4 enabled    dokku core network plugin
+  nginx-vhosts         0.37.4 enabled    dokku core nginx-vhosts plugin
+  plugin               0.37.4 enabled    dokku core plugin plugin
+  proxy                0.37.4 enabled    dokku core proxy plugin
+  ps                   0.37.4 enabled    dokku core ps plugin
+  repo                 0.37.4 enabled    dokku core repo plugin
+  resource             0.37.4 enabled    dokku core resource plugin
+  scheduler-docker-local 0.37.4 enabled    dokku core scheduler-docker-local plugin
+  shell                0.37.4 enabled    dokku core shell plugin
+  ssh-keys             0.37.4 enabled    dokku core ssh-keys plugin
+  storage              0.37.4 enabled    dokku core storage plugin
+  tags                 0.37.4 enabled    dokku core tags plugin
+  tar                  0.37.4 enabled    dokku core tar plugin
+  trace                0.37.4 enabled    dokku core trace plugin
 ```

 > [!WARNING]
--- a/docs/assets/favicons/browserconfig.xml
+++ b/docs/assets/favicons/browserconfig.xml
@@ -2,10 +2,10 @@
 <browserconfig>
  <msapplication>
    <tile>
-      <square70x70logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/mstile-70x70.png"/>
-      <square150x150logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/mstile-150x150.png"/>
-      <square310x310logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/mstile-310x310.png"/>
-      <wide310x150logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/mstile-310x150.png"/>
+      <square70x70logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/mstile-70x70.png"/>
+      <square150x150logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/mstile-150x150.png"/>
+      <square310x310logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/mstile-310x310.png"/>
+      <wide310x150logo src="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/mstile-310x150.png"/>
      <TileColor>#da532c</TileColor>
    </tile>
  </msapplication>
--- a/docs/assets/favicons/manifest.json
+++ b/docs/assets/favicons/manifest.json
@@ -2,37 +2,37 @@
    "name": "Dokku",
    "icons": [
        {
-            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.3\/docs\/assets\/favicons\/android-chrome-36x36.png",
+            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.4\/docs\/assets\/favicons\/android-chrome-36x36.png",
            "sizes": "36x36",
            "type": "image\/png",
            "density": "0.75"
        },
        {
-            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.3\/docs\/assets\/favicons\/android-chrome-48x48.png",
+            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.4\/docs\/assets\/favicons\/android-chrome-48x48.png",
            "sizes": "48x48",
            "type": "image\/png",
            "density": "1.0"
        },
        {
-            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.3\/docs\/assets\/favicons\/android-chrome-72x72.png",
+            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.4\/docs\/assets\/favicons\/android-chrome-72x72.png",
            "sizes": "72x72",
            "type": "image\/png",
            "density": "1.5"
        },
        {
-            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.3\/docs\/assets\/favicons\/android-chrome-96x96.png",
+            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.4\/docs\/assets\/favicons\/android-chrome-96x96.png",
            "sizes": "96x96",
            "type": "image\/png",
            "density": "2.0"
        },
        {
-            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.3\/docs\/assets\/favicons\/android-chrome-144x144.png",
+            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.4\/docs\/assets\/favicons\/android-chrome-144x144.png",
            "sizes": "144x144",
            "type": "image\/png",
            "density": "3.0"
        },
        {
-            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.3\/docs\/assets\/favicons\/android-chrome-192x192.png",
+            "src": "https:\/\/cdn.jsdelivr.net\/dokku\/dokku@v0.37.4\/docs\/assets\/favicons\/android-chrome-192x192.png",
            "sizes": "192x192",
            "type": "image\/png",
            "density": "4.0"
--- a/docs/assets/style.css
+++ b/docs/assets/style.css
@@ -25,9 +25,9 @@

  /* Avatar section darkmode fade */
  --avatar-before-gradient: rgba(0, 0, 0, 0) linear-gradient(90deg, white 2.52%, rgba(255, 255, 255, 0) 100%) repeat scroll 0% 0%;
-  --avatar-darkmode-before-gradient: rgba(0, 0, 0, 0) linear-gradient(90deg, #0.37.3 2.52%, rgba(255, 255, 255, 0) 100%) repeat scroll 0% 0%;
+  --avatar-darkmode-before-gradient: rgba(0, 0, 0, 0) linear-gradient(90deg, #0.37.4 2.52%, rgba(255, 255, 255, 0) 100%) repeat scroll 0% 0%;
  --avatar-after-gradient: rgba(0, 0, 0, 0) linear-gradient(270deg, white 2.52%, rgba(255, 255, 255, 0) 100%) repeat scroll 0% 0%;
-  --avatar-darkmode-after-gradient: rgba(0, 0, 0, 0) linear-gradient(270deg, #0.37.3 2.52%, rgba(255, 255, 255, 0) 100%) repeat scroll 0% 0%;
+  --avatar-darkmode-after-gradient: rgba(0, 0, 0, 0) linear-gradient(270deg, #0.37.4 2.52%, rgba(255, 255, 255, 0) 100%) repeat scroll 0% 0%;
 }

 body {
@@ -1191,15 +1191,15 @@ ul.fas li .fa-large:before {

  .getting-started::after {
    background: linear-gradient(0deg, rgba(52, 52, 87, 0.2) -40.97%, rgba(0, 0, 0, 0) 103.19%),
-      #0.37.3;
+      #0.37.4;
  }

  .tab-content {
-    background: #0.37.3;
+    background: #0.37.4;
  }

  .nav-tabs {
-    background: #0.37.3;
+    background: #0.37.4;
  }

  .powered-by_brands {
--- a/docs/assets/versions.json
+++ b/docs/assets/versions.json
@@ -34,6 +34,6 @@
    "0.34.9",
    "0.35.20",
    "0.36.11",
-    "0.37.3"
+    "0.37.4"
  ]
 }
--- a/docs/development/release-process.md
+++ b/docs/development/release-process.md
@@ -29,7 +29,7 @@ The workflow looks like this:
 ```shell
 # having dokku-arch in ../dokku-arch
 vagrant up build-arch
-# wait for "==> build-arch: ==> Finished making: dokku 0.37.3-2 (Mon Feb 22 23:20:37 CET 2016)"
+# wait for "==> build-arch: ==> Finished making: dokku 0.37.4-2 (Mon Feb 22 23:20:37 CET 2016)"
 cd ../dokku-arch
 git add PKGBUILD .SRCINFO
 git commit -m 'Update to dokku 0.9.9'
--- a/docs/getting-started/install/docker.md
+++ b/docs/getting-started/install/docker.md
@@ -3,7 +3,7 @@
 Pull the dokku/dokku image:

 ```shell
-docker pull dokku/dokku:0.37.3
+docker pull dokku/dokku:0.37.4
 ```

 Next, run the image.
@@ -19,7 +19,7 @@ docker container run -d \
  --publish 8443:443 \
  --volume /var/lib/dokku:/mnt/dokku \
  --volume /var/run/docker.sock:/var/run/docker.sock \
-  dokku/dokku:0.37.3
+  dokku/dokku:0.37.4
 ```

 Alternatively, you can use `docker-compose.yml`:
@@ -27,7 +27,7 @@ Alternatively, you can use `docker-compose.yml`:
 ```yaml
 services:
  dokku:
-    image: dokku/dokku:0.37.3
+    image: dokku/dokku:0.37.4
    container_name: dokku
    network_mode: bridge
    ports:
@@ -83,7 +83,7 @@ redis: https://github.com/dokku/dokku-redis.git
 The alternative is to build a custom docker image via a custom Dockerfile. This Dockerfile can run any `plugin:install` command, though the `install` trigger must be skipped via the `--skip-install-trigger`. The version installed at that time will be the one that persists. Below is an example Dockerfile showing this method.

 ```Dockerfile
-FROM dokku/dokku:0.37.3
+FROM dokku/dokku:0.37.4
 RUN dokku plugin:install https://github.com/dokku/dokku-postgres.git --skip-install-trigger
 RUN dokku plugin:install https://github.com/dokku/dokku-redis.git --skip-install-trigger
 ```
--- a/docs/getting-started/installation/index.md
+++ b/docs/getting-started/installation/index.md
@@ -31,8 +31,8 @@ To install the latest stable version of Dokku, you can run the following shell c

 ```shell
 # for debian systems, installs Dokku via apt-get
-wget -NP . https://dokku.com/install/v0.37.3/bootstrap.sh
-sudo DOKKU_TAG=v0.37.3 bash bootstrap.sh
+wget -NP . https://dokku.com/install/v0.37.4/bootstrap.sh
+sudo DOKKU_TAG=v0.37.4 bash bootstrap.sh
 ```

 The installation process takes about 5-10 minutes, depending upon internet connection speed.
--- a/docs/home.html
+++ b/docs/home.html
@@ -10,26 +10,26 @@
    <meta name="author" content="">
    <title>Dokku - The smallest PaaS implementation you've ever seen</title>

-    <link rel="apple-touch-icon" sizes="57x57" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-57x57.png">
-    <link rel="apple-touch-icon" sizes="60x60" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-60x60.png">
-    <link rel="apple-touch-icon" sizes="72x72" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-72x72.png">
-    <link rel="apple-touch-icon" sizes="76x76" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-76x76.png">
-    <link rel="apple-touch-icon" sizes="114x114" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-114x114.png">
-    <link rel="apple-touch-icon" sizes="120x120" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-120x120.png">
-    <link rel="apple-touch-icon" sizes="144x144" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-144x144.png">
-    <link rel="apple-touch-icon" sizes="152x152" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-152x152.png">
-    <link rel="apple-touch-icon" sizes="180x180" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-180x180.png">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon-32x32.png" sizes="32x32">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/android-chrome-192x192.png" sizes="192x192">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon-96x96.png" sizes="96x96">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon-16x16.png" sizes="16x16">
-    <link rel="manifest" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/manifest.json">
-    <link rel="shortcut icon" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon.ico">
+    <link rel="apple-touch-icon" sizes="57x57" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-57x57.png">
+    <link rel="apple-touch-icon" sizes="60x60" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-60x60.png">
+    <link rel="apple-touch-icon" sizes="72x72" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-72x72.png">
+    <link rel="apple-touch-icon" sizes="76x76" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-76x76.png">
+    <link rel="apple-touch-icon" sizes="114x114" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-114x114.png">
+    <link rel="apple-touch-icon" sizes="120x120" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-120x120.png">
+    <link rel="apple-touch-icon" sizes="144x144" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-144x144.png">
+    <link rel="apple-touch-icon" sizes="152x152" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-152x152.png">
+    <link rel="apple-touch-icon" sizes="180x180" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-180x180.png">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon-32x32.png" sizes="32x32">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/android-chrome-192x192.png" sizes="192x192">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon-96x96.png" sizes="96x96">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon-16x16.png" sizes="16x16">
+    <link rel="manifest" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/manifest.json">
+    <link rel="shortcut icon" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon.ico">
    <meta name="apple-mobile-web-app-title" content="Dokku">
    <meta name="application-name" content="Dokku">
    <meta name="msapplication-TileColor" content="#da532c">
-    <meta name="msapplication-TileImage" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/mstile-144x144.png">
-    <meta name="msapplication-config" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/browserconfig.xml">
+    <meta name="msapplication-TileImage" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/mstile-144x144.png">
+    <meta name="msapplication-config" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/browserconfig.xml">
    <meta name="theme-color" content="#ffffff">

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-0evHe/X+R7YkIZDRvuzKMRqM+OrBnVFBL6DOitfPri4tjfHxaWutUpFmBp4vmVor" crossorigin="anonymous">
@@ -38,7 +38,7 @@
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&display=swap" rel="stylesheet">
-    <link href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/style.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/style.css" rel="stylesheet">
    <!-- <link href="./assets/style.css" rel="stylesheet"> -->
 </head>

@@ -98,7 +98,7 @@
        <main class="container px-4 px-lg-5">
            <div class="row">
                <div class="col-lg-7">
-                    <a class="badge-link" href="https://github.com/dokku/dokku/releases"><span class="badge py-2 d-flex fit-content"><div class="circle align-self-center me-2"></div>Latest release <span id="releaseVersion" class="ms-1">v0.37.3</span></span></a>
+                    <a class="badge-link" href="https://github.com/dokku/dokku/releases"><span class="badge py-2 d-flex fit-content"><div class="circle align-self-center me-2"></div>Latest release <span id="releaseVersion" class="ms-1">v0.37.4</span></span></a>
                    <h1 class="text-white hero-heading mt-5">An open source PAAS alternative to Heroku.</h1>
                    <h4 class="text-white mt-5">Dokku helps you build and manage the lifecycle of applications from building to scaling.</h4>
                    <div class="d-flex mt-5">
@@ -125,7 +125,7 @@
                            </p>
                            <p class="line">
                                <span class="prompt">$</span>
-                                <span class="command">sudo DOKKU_TAG=v0.37.3 bash bootstrap.sh</span>
+                                <span class="command">sudo DOKKU_TAG=v0.37.4 bash bootstrap.sh</span>
                            </p>
                            <br>

--- a/docs/networking/proxies/nginx.md
+++ b/docs/networking/proxies/nginx.md
@@ -338,6 +338,7 @@ Changing these value globally or on a per-app basis will require rebuilding the
 | proxy-buffers             | `8 8k`                                | string  | Number and size of the buffers used for reading the proxied server response, for a single connection |
 | proxy-busy-buffers-size   | `16k`                                 | string  | Limits the total size of buffers that can be busy sending a response to the client while the response is not yet fully read. |
 | proxy-connect-timeout     | `60s`                                 | string  | Timeout (with units) for establishing a connection to your backend server           |
+| proxy-keepalive           | empty (disabled)                      | integer | Number of idle keepalive connections to upstream servers (disabled by default)      |
 | proxy-read-timeout        | `60s`                                 | string  | Timeout (with units) for reading response from your backend server                  |
 | proxy-send-timeout        | `60s`                                 | string  | Timeout (with units) for transmitting a request to your backend server              |
 | send-timeout              | `60s`                                 | string  | Timeout (with units) for transmitting a response to your the client                 |
--- a/docs/template.html
+++ b/docs/template.html
@@ -9,26 +9,26 @@
    <meta name="author" content="">
    <title>Dokku - {{DOC_TITLE}}</title>

-    <link rel="apple-touch-icon" sizes="57x57" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-57x57.png">
-    <link rel="apple-touch-icon" sizes="60x60" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-60x60.png">
-    <link rel="apple-touch-icon" sizes="72x72" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-72x72.png">
-    <link rel="apple-touch-icon" sizes="76x76" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-76x76.png">
-    <link rel="apple-touch-icon" sizes="114x114" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-114x114.png">
-    <link rel="apple-touch-icon" sizes="120x120" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-120x120.png">
-    <link rel="apple-touch-icon" sizes="144x144" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-144x144.png">
-    <link rel="apple-touch-icon" sizes="152x152" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-152x152.png">
-    <link rel="apple-touch-icon" sizes="180x180" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/apple-touch-icon-180x180.png">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon-32x32.png" sizes="32x32">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/android-chrome-192x192.png" sizes="192x192">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon-96x96.png" sizes="96x96">
-    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon-16x16.png" sizes="16x16">
-    <link rel="manifest" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/manifest.json">
-    <link rel="shortcut icon" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/favicon.ico">
+    <link rel="apple-touch-icon" sizes="57x57" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-57x57.png">
+    <link rel="apple-touch-icon" sizes="60x60" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-60x60.png">
+    <link rel="apple-touch-icon" sizes="72x72" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-72x72.png">
+    <link rel="apple-touch-icon" sizes="76x76" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-76x76.png">
+    <link rel="apple-touch-icon" sizes="114x114" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-114x114.png">
+    <link rel="apple-touch-icon" sizes="120x120" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-120x120.png">
+    <link rel="apple-touch-icon" sizes="144x144" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-144x144.png">
+    <link rel="apple-touch-icon" sizes="152x152" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-152x152.png">
+    <link rel="apple-touch-icon" sizes="180x180" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/apple-touch-icon-180x180.png">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon-32x32.png" sizes="32x32">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/android-chrome-192x192.png" sizes="192x192">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon-96x96.png" sizes="96x96">
+    <link rel="icon" type="image/png" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon-16x16.png" sizes="16x16">
+    <link rel="manifest" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/manifest.json">
+    <link rel="shortcut icon" href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/favicon.ico">
    <meta name="apple-mobile-web-app-title" content="Dokku">
    <meta name="application-name" content="Dokku">
    <meta name="msapplication-TileColor" content="#da532c">
-    <meta name="msapplication-TileImage" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/mstile-144x144.png">
-    <meta name="msapplication-config" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/favicons/browserconfig.xml">
+    <meta name="msapplication-TileImage" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/mstile-144x144.png">
+    <meta name="msapplication-config" content="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/favicons/browserconfig.xml">
    <meta name="theme-color" content="#ffffff">

    <script>
@@ -48,7 +48,7 @@
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&display=swap" rel="stylesheet">

-    <link href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.3/docs/assets/style.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/gh/dokku/dokku@v0.37.4/docs/assets/style.css" rel="stylesheet">
    <!-- <link href="./assets/style.css" rel="stylesheet"> -->
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.5.0/css/font-awesome.min.css" rel="stylesheet">
  </head>
--- a/plugins/00_dokku-standard/plugin.toml
+++ b/plugins/00_dokku-standard/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core standard plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/20_events/plugin.toml
+++ b/plugins/20_events/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core events logging plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/app-json/plugin.toml
+++ b/plugins/app-json/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core app-json plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/apps/plugin.toml
+++ b/plugins/apps/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core apps plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder-dockerfile/plugin.toml
+++ b/plugins/builder-dockerfile/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder-dockerfile plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder-herokuish/plugin.toml
+++ b/plugins/builder-herokuish/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder-herokuish plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder-lambda/plugin.toml
+++ b/plugins/builder-lambda/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder-lambda plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder-nixpacks/plugin.toml
+++ b/plugins/builder-nixpacks/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder-nixpacks plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder-null/plugin.toml
+++ b/plugins/builder-null/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder-null plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder-pack/plugin.toml
+++ b/plugins/builder-pack/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder-pack plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/builder/plugin.toml
+++ b/plugins/builder/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core builder plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/buildpacks/plugin.toml
+++ b/plugins/buildpacks/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core buildpacks plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/caddy-vhosts/plugin.toml
+++ b/plugins/caddy-vhosts/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core caddy-vhosts plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/certs/plugin.toml
+++ b/plugins/certs/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core certificate management plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/checks/plugin.toml
+++ b/plugins/checks/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core checks plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/common/plugin.toml
+++ b/plugins/common/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core common plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/config/plugin.toml
+++ b/plugins/config/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core config plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/cron/plugin.toml
+++ b/plugins/cron/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core cron plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/docker-options/plugin.toml
+++ b/plugins/docker-options/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core docker-options plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/domains/plugin.toml
+++ b/plugins/domains/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core domains plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/enter/plugin.toml
+++ b/plugins/enter/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core enter plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/git/plugin.toml
+++ b/plugins/git/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core git plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/haproxy-vhosts/plugin.toml
+++ b/plugins/haproxy-vhosts/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core haproxy-vhosts plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/logs/plugin.toml
+++ b/plugins/logs/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core logs plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/network/plugin.toml
+++ b/plugins/network/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core network plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/nginx-vhosts/command-functions
+++ b/plugins/nginx-vhosts/command-functions
@@ -110,6 +110,9 @@ cmd-nginx-report-single() {
    "--nginx-send-timeout: $(fn-nginx-send-timeout "$APP")"
    "--nginx-computed-send-timeout: $(fn-nginx-computed-send-timeout "$APP")"
    "--nginx-global-send-timeout: $(fn-nginx-global-send-timeout "$APP")"
+    "--nginx-proxy-keepalive: $(fn-nginx-proxy-keepalive "$APP")"
+    "--nginx-computed-proxy-keepalive: $(fn-nginx-computed-proxy-keepalive "$APP")"
+    "--nginx-global-proxy-keepalive: $(fn-nginx-global-proxy-keepalive "$APP")"
    "--nginx-underscore-in-headers: $(fn-nginx-underscore-in-headers "$APP")"
    "--nginx-computed-underscore-in-headers: $(fn-nginx-computed-underscore-in-headers "$APP")"
    "--nginx-global-underscore-in-headers: $(fn-nginx-global-underscore-in-headers "$APP")"
--- a/plugins/nginx-vhosts/functions
+++ b/plugins/nginx-vhosts/functions
@@ -304,6 +304,7 @@ nginx_build_config() {
    local PROXY_BUFFERING="$(fn-nginx-computed-proxy-buffering "$APP")"
    local PROXY_BUFFERS="$(fn-nginx-computed-proxy-buffers "$APP")"
    local PROXY_BUSY_BUFFERS_SIZE="$(fn-nginx-computed-proxy-busy-buffers-size "$APP")"
+    local PROXY_KEEPALIVE="$(fn-nginx-computed-proxy-keepalive "$APP")"

    if [[ -z "$DOKKU_APP_LISTENERS" ]]; then
      dokku_log_warn_quiet "No web listeners specified for $APP"
@@ -370,6 +371,7 @@ nginx_build_config() {
        PROXY_BUFFERING="$PROXY_BUFFERING"
        PROXY_BUFFERS="$PROXY_BUFFERS"
        PROXY_BUSY_BUFFERS_SIZE="$PROXY_BUSY_BUFFERS_SIZE"
+        PROXY_KEEPALIVE="$PROXY_KEEPALIVE"
        NGINX_UNDERSCORE_IN_HEADERS="$NGINX_UNDERSCORE_IN_HEADERS"
        # Deprecated: Remove this after a few versions
        NGINX_PORT="$PROXY_PORT" NGINX_SSL_PORT="$PROXY_SSL_PORT"
--- a/plugins/nginx-vhosts/internal-functions
+++ b/plugins/nginx-vhosts/internal-functions
@@ -509,6 +509,27 @@ fn-nginx-global-send-timeout() {
  fn-get-property --app "$APP" --global "send-timeout"
 }

+fn-nginx-proxy-keepalive() {
+  declare desc="get the configured upstream keepalive"
+  declare APP="$1"
+
+  fn-get-property --app "$APP" "proxy-keepalive"
+}
+
+fn-nginx-computed-proxy-keepalive() {
+  declare desc="get the computed upstream keepalive"
+  declare APP="$1"
+
+  fn-get-property --app "$APP" --computed "proxy-keepalive"
+}
+
+fn-nginx-global-proxy-keepalive() {
+  declare desc="get the global upstream keepalive"
+  declare APP="$1"
+
+  fn-get-property --app "$APP" --global "proxy-keepalive"
+}
+
 fn-nginx-underscore-in-headers() {
  declare desc="get the configured underscore in headers value"
  declare APP="$1"
--- a/plugins/nginx-vhosts/nginx_vhosts.go
+++ b/plugins/nginx-vhosts/nginx_vhosts.go
@@ -518,3 +518,20 @@ func ComputedXForwardedSSL(appName string) string {
 func GlobalXForwardedSSL() string {
 	return common.PropertyGetDefault("nginx", "--global", "x-forwarded-ssl", "")
 }
+
+func AppProxyKeepalive(appName string) string {
+	return common.PropertyGet("nginx", appName, "proxy-keepalive")
+}
+
+func ComputedProxyKeepalive(appName string) string {
+	appValue := AppProxyKeepalive(appName)
+	if appValue != "" {
+		return appValue
+	}
+
+	return GlobalProxyKeepalive()
+}
+
+func GlobalProxyKeepalive() string {
+	return common.PropertyGetDefault("nginx", "--global", "proxy-keepalive", "")
+}
--- a/plugins/nginx-vhosts/plugin.toml
+++ b/plugins/nginx-vhosts/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core nginx-vhosts plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/nginx-vhosts/src/nginx-property/nginx-property.go
+++ b/plugins/nginx-vhosts/src/nginx-property/nginx-property.go
@@ -83,6 +83,8 @@ func appValue(appName string, property string) string {
 		value = nginx_vhosts.AppProxyReadTimeout(appName)
 	case "proxy-send-timeout":
 		value = nginx_vhosts.AppProxySendTimeout(appName)
+	case "proxy-keepalive":
+		value = nginx_vhosts.AppProxyKeepalive(appName)
 	case "send-timeout":
 		value = nginx_vhosts.AppSendTimeout(appName)
 	case "underscore-in-headers":
@@ -151,6 +153,8 @@ func computedValue(appName string, property string) string {
 		value = nginx_vhosts.ComputedProxyReadTimeout(appName)
 	case "proxy-send-timeout":
 		value = nginx_vhosts.ComputedProxySendTimeout(appName)
+	case "proxy-keepalive":
+		value = nginx_vhosts.ComputedProxyKeepalive(appName)
 	case "send-timeout":
 		value = nginx_vhosts.ComputedSendTimeout(appName)
 	case "underscore-in-headers":
@@ -219,6 +223,8 @@ func globalValue(appName string, property string) string {
 		value = nginx_vhosts.GlobalProxyReadTimeout()
 	case "proxy-send-timeout":
 		value = nginx_vhosts.GlobalProxySendTimeout()
+	case "proxy-keepalive":
+		value = nginx_vhosts.GlobalProxyKeepalive()
 	case "send-timeout":
 		value = nginx_vhosts.GlobalSendTimeout()
 	case "underscore-in-headers":
--- a/plugins/nginx-vhosts/subcommands/set
+++ b/plugins/nginx-vhosts/subcommands/set
@@ -9,13 +9,13 @@ cmd-nginx-set() {
  declare cmd="nginx:set"
  [[ "$1" == "$cmd" ]] && shift 1
  declare APP="$1" KEY="$2" VALUE="$3"
-  local VALID_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts" "hsts-include-subdomains" "hsts-preload" "hsts-max-age" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
-  local GLOBAL_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts-include-subdomains" "hsts-max-age" "hsts-preload" "hsts" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
+  local VALID_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts" "hsts-include-subdomains" "hsts-preload" "hsts-max-age" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "proxy-keepalive" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
+  local GLOBAL_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts-include-subdomains" "hsts-max-age" "hsts-preload" "hsts" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "proxy-keepalive" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")

  [[ -z "$KEY" ]] && dokku_log_fail "No key specified"

  if ! fn-in-array "$KEY" "${VALID_KEYS[@]}"; then
-    dokku_log_fail "Invalid key specified, valid keys include: access-log-format, access-log-path, bind-address-ipv4, bind-address-ipv6, client-body-timeout, client-header-timeout, client-max-body-size, disable-custom-config, error-log-path, hsts, hsts-include-subdomains, hsts-preload, hsts-max-age, keepalive-timeout, lingering-timeout, nginx-conf-sigil-path, nginx-service-command, proxy-buffer-size, proxy-buffering, proxy-buffers, proxy-busy-buffers-size, proxy-connect-timeout, proxy-read-timeout, proxy-send-timeout, send-timeout, underscore-in-headers, x-forwarded-for-value, x-forwarded-port-value, x-forwarded-proto-value, x-forwarded-ssl"
+    dokku_log_fail "Invalid key specified, valid keys include: access-log-format, access-log-path, bind-address-ipv4, bind-address-ipv6, client-body-timeout, client-header-timeout, client-max-body-size, disable-custom-config, error-log-path, hsts, hsts-include-subdomains, hsts-preload, hsts-max-age, keepalive-timeout, lingering-timeout, nginx-conf-sigil-path, nginx-service-command, proxy-buffer-size, proxy-buffering, proxy-buffers, proxy-busy-buffers-size, proxy-connect-timeout, proxy-read-timeout, proxy-send-timeout, proxy-keepalive, send-timeout, underscore-in-headers, x-forwarded-for-value, x-forwarded-port-value, x-forwarded-proto-value, x-forwarded-ssl"
  fi

  if ! fn-in-array "$KEY" "${GLOBAL_KEYS[@]}"; then
@@ -25,6 +25,12 @@ cmd-nginx-set() {
    verify_app_name "$APP"
  fi

+  if [[ "$KEY" == "proxy-keepalive" ]] && [[ -n "$VALUE" ]]; then
+    if ! is_number "$VALUE"; then
+      dokku_log_fail "Invalid value for proxy-keepalive: must be an integer"
+    fi
+  fi
+
  if [[ -n "$VALUE" ]]; then
    dokku_log_info2_quiet "Setting ${KEY} to ${VALUE}"
    fn-plugin-property-write "nginx" "$APP" "$KEY" "$VALUE"
--- a/plugins/nginx-vhosts/templates/nginx.conf.sigil
+++ b/plugins/nginx-vhosts/templates/nginx.conf.sigil
@@ -212,6 +212,7 @@ server {
 {{ if $.DOKKU_APP_WEB_LISTENERS }}
 {{ range $upstream_port := $.PROXY_UPSTREAM_PORTS | split " " }}
 upstream {{ $.APP }}-{{ $upstream_port }} {
+{{ if $.PROXY_KEEPALIVE }}  keepalive {{ $.PROXY_KEEPALIVE }};{{ end }}
 {{ range $listeners := $.DOKKU_APP_WEB_LISTENERS | split " " }}
 {{ $listener_list := $listeners | split ":" }}
 {{ $listener_ip := index $listener_list 0 }}
--- a/plugins/openresty-vhosts/plugin.toml
+++ b/plugins/openresty-vhosts/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core openresty-vhosts plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/plugin/plugin.toml
+++ b/plugins/plugin/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core plugin plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/ports/plugin.toml
+++ b/plugins/ports/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core ports plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/proxy/plugin.toml
+++ b/plugins/proxy/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core proxy plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/ps/plugin.toml
+++ b/plugins/ps/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core ps plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/registry/plugin.toml
+++ b/plugins/registry/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core registry plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/repo/plugin.toml
+++ b/plugins/repo/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core repo plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/resource/plugin.toml
+++ b/plugins/resource/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core resource plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/run/plugin.toml
+++ b/plugins/run/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core run plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/scheduler-docker-local/plugin.toml
+++ b/plugins/scheduler-docker-local/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core scheduler-docker-local plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/scheduler-k3s/go.mod
+++ b/plugins/scheduler-k3s/go.mod
@@ -22,7 +22,7 @@ require (
 	github.com/kedacore/keda/v2 v2.18.3
 	github.com/ryanuber/columnize v2.1.2+incompatible
 	github.com/spf13/pflag v1.0.10
-	github.com/traefik/traefik/v2 v2.11.33
+	github.com/traefik/traefik/v2 v2.11.34
 	golang.org/x/sync v0.19.0
 	gopkg.in/yaml.v3 v3.0.1
 	helm.sh/helm/v3 v3.19.4
--- a/plugins/scheduler-k3s/go.sum
+++ b/plugins/scheduler-k3s/go.sum
@@ -343,8 +343,8 @@ github.com/tailscale/hujson v0.0.0-20250605163823-992244df8c5a h1:a6TNDN9CgG+cYj
 github.com/tailscale/hujson v0.0.0-20250605163823-992244df8c5a/go.mod h1:EbW0wDK/qEUYI0A5bqq0C2kF8JTQwWONmGDBbzsxxHo=
 github.com/traefik/paerser v0.2.2 h1:cpzW/ZrQrBh3mdwD/jnp6aXASiUFKOVr6ldP+keJTcQ=
 github.com/traefik/paerser v0.2.2/go.mod h1:7BBDd4FANoVgaTZG+yh26jI6CA2nds7D/4VTEdIsh24=
-github.com/traefik/traefik/v2 v2.11.33 h1:MPqN5W6Ui65lP2f/uCDH9TV8SvRPulp/7S/P2ESFDbI=
-github.com/traefik/traefik/v2 v2.11.33/go.mod h1:4IsMkzOastNmRZoIvVSKTGFcJ8arGaOkYuenYDOlDM8=
+github.com/traefik/traefik/v2 v2.11.34 h1:TSMC60rpQHDaoYcnyiTQtHZimXenFZR+600MhHJEVoY=
+github.com/traefik/traefik/v2 v2.11.34/go.mod h1:4IsMkzOastNmRZoIvVSKTGFcJ8arGaOkYuenYDOlDM8=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 github.com/xlab/treeprint v1.2.0 h1:HzHnuAF1plUN2zGlAFHbSQP2qJ0ZAD3XF5XD7OesXRQ=
--- a/plugins/scheduler-k3s/plugin.toml
+++ b/plugins/scheduler-k3s/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core scheduler-k3s plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/scheduler-null/plugin.toml
+++ b/plugins/scheduler-null/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core scheduler-null plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/scheduler/plugin.toml
+++ b/plugins/scheduler/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core scheduler plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/shell/plugin.toml
+++ b/plugins/shell/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core shell plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/ssh-keys/plugin.toml
+++ b/plugins/ssh-keys/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core ssh-keys plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/storage/plugin.toml
+++ b/plugins/storage/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core storage plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/trace/plugin.toml
+++ b/plugins/trace/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core trace plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/plugins/traefik-vhosts/Dockerfile
+++ b/plugins/traefik-vhosts/Dockerfile
@@ -1 +1 @@
-FROM traefik:3.6.5
+FROM traefik:3.6.6
--- a/plugins/traefik-vhosts/plugin.toml
+++ b/plugins/traefik-vhosts/plugin.toml
@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku core traefik-vhosts plugin"
-version = "0.37.3"
+version = "0.37.4"
 [plugin.config]
--- a/tests.mk
+++ b/tests.mk
@@ -282,6 +282,10 @@ deploy-test-static:
 	@echo deploying static app...
 	cd tests && ./test_deploy ./apps/static $(DOKKU_DOMAIN)

+test-ci-binaries:
+	docker exec dokku bash -c "whereis logrotate" || { echo "logrotate not found" ; exit 1; }
+	docker exec dokku bash -c "whereis rsyslog" || { echo "rsyslog not found" ; exit 1; }
+
 deploy-tests:
 	@echo running deploy tests...
 	@$(QUIET) $(MAKE) deploy-test-checks-root
@@ -317,7 +321,7 @@ tests-ci-retry-failed:
 	tar xzf /tmp/bats-retry.tgz -C /usr/local/bin
 	bats-retry --execute test-results/bats

-test-ci-docker: setup-docker-deploy-tests deploy-test-checks-root deploy-test-config deploy-test-multi deploy-test-go-fail-predeploy deploy-test-go-fail-postdeploy
+test-ci-docker: setup-docker-deploy-tests deploy-test-checks-root deploy-test-config deploy-test-multi deploy-test-go-fail-predeploy deploy-test-go-fail-postdeploy test-ci-binaries

 generate-ssl-tars: generate-ssl-tar generate-ssl-sans-tar generate-ssl-wildcard-tar

--- a/tests/apps/checks-root/package-lock.json
+++ b/tests/apps/checks-root/package-lock.json
@@ -575,9 +575,9 @@
      }
    },
    "node_modules/qs": {
-      "version": "6.14.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
-      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
+      "version": "6.14.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.1.tgz",
+      "integrity": "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ==",
      "license": "BSD-3-Clause",
      "dependencies": {
        "side-channel": "^1.1.0"
--- a/tests/apps/dockerfile-entrypoint/Dockerfile
+++ b/tests/apps/dockerfile-entrypoint/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4.8
+FROM ruby:4.0.0

 RUN mkdir /app
 WORKDIR /app
--- a/tests/apps/python/app-cnb-cron.json
+++ b/tests/apps/python/app-cnb-cron.json
@@ -0,0 +1,29 @@
+{
+  "cron": [
+    {
+      "command": "python3 task.py some cron task",
+      "schedule": "5 5 5 5 5"
+    }
+  ],
+  "healthchecks": {
+    "web": [
+      {
+        "attempts": 2,
+        "content": "python/http.server",
+        "name": "check-1",
+        "path": "/",
+        "timeout": 5,
+        "type": "startup",
+        "wait": 2
+      }
+    ]
+  },
+  "scripts": {
+    "dokku": {
+      // this is a comment for the postdeploy script
+      "postdeploy": "touch /workspace/postdeploy.test",
+      // this is a comment for the predeploy script
+      "predeploy": "touch /workspace/predeploy.test"
+    }
+  }
+}
--- a/tests/apps/python/app-cnb.json
+++ b/tests/apps/python/app-cnb.json
@@ -18,4 +18,4 @@
      "predeploy": "touch /workspace/predeploy.test"
    }
  }
-}
+}
--- a/tests/apps/python/app-cron.json
+++ b/tests/apps/python/app-cron.json
@@ -0,0 +1,29 @@
+{
+  "cron": [
+    {
+      "command": "python3 task.py some cron task",
+      "schedule": "5 5 5 5 5"
+    }
+  ],
+  "healthchecks": {
+    "web": [
+      {
+        "attempts": 2,
+        "content": "python/http.server",
+        "name": "check-1",
+        "path": "/",
+        "timeout": 5,
+        "type": "startup",
+        "wait": 2
+      }
+    ]
+  },
+  "scripts": {
+    "dokku": {
+      // this is a comment for the postdeploy script
+      "postdeploy": "touch /app/postdeploy.test",
+      // this is a comment for the predeploy script
+      "predeploy": "touch /app/predeploy.test"
+    }
+  }
+}
--- a/tests/apps/ruby/Gemfile
+++ b/tests/apps/ruby/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.6.8'
+ruby '4.0.0'

-gem 'sinatra', '~>3.2.0'
+gem 'sinatra', '~>4.2.1'
 gem 'thin'
--- a/tests/apps/ruby/Gemfile.lock
+++ b/tests/apps/ruby/Gemfile.lock
@@ -1,32 +1,59 @@
 GEM
  remote: https://rubygems.org/
  specs:
-    base64 (0.2.0)
+    base64 (0.3.0)
    daemons (1.4.1)
    eventmachine (1.2.7)
    logger (1.7.0)
-    mustermann (3.0.0)
+    mustermann (3.0.4)
      ruby2_keywords (~> 0.0.1)
-    rack (2.2.20)
-    rack-protection (3.2.0)
+    rack (3.2.4)
+    rack-protection (4.2.1)
      base64 (>= 0.1.0)
-      rack (~> 2.2, >= 2.2.4)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
    ruby2_keywords (0.0.5)
-    sinatra (3.2.0)
+    sinatra (4.2.1)
+      logger (>= 1.6.0)
      mustermann (~> 3.0)
-      rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.2.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.2.1)
+      rack-session (>= 2.0.0, < 3)
      tilt (~> 2.0)
    thin (2.0.1)
      daemons (~> 1.0, >= 1.0.9)
      eventmachine (~> 1.0, >= 1.0.4)
      logger
      rack (>= 1, < 4)
-    tilt (2.3.0)
+    tilt (2.6.1)

 PLATFORMS
+  arm64-darwin-25
  ruby

 DEPENDENCIES
-  sinatra (~> 3.2.0)
+  sinatra (~> 4.2.1)
  thin
+
+CHECKSUMS
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
+  daemons (1.4.1) sha256=8fc76d76faec669feb5e455d72f35bd4c46dc6735e28c420afb822fac1fa9a1d
+  eventmachine (1.2.7) sha256=994016e42aa041477ba9cff45cbe50de2047f25dd418eba003e84f0d16560972
+  logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
+  mustermann (3.0.4) sha256=85fadcb6b3c6493a8b511b42426f904b7f27b282835502233dd154daab13aa22
+  rack (3.2.4) sha256=5d74b6f75082a643f43c1e76b419c40f0e5527fcfee1e669ac1e6b73c0ccb6f6
+  rack-protection (4.2.1) sha256=cf6e2842df8c55f5e4d1a4be015e603e19e9bc3a7178bae58949ccbb58558bac
+  rack-session (2.1.1) sha256=0b6dc07dea7e4b583f58a48e8b806d4c9f1c6c9214ebc202ec94562cbea2e4e9
+  ruby2_keywords (0.0.5) sha256=ffd13740c573b7301cf7a2e61fc857b2a8e3d3aff32545d6f8300d8bae10e3ef
+  sinatra (4.2.1) sha256=b7aeb9b11d046b552972ade834f1f9be98b185fa8444480688e3627625377080
+  thin (2.0.1) sha256=5bbde5648377f5c3864b5da7cd89a23b5c2d8d8bb9435719f6db49644bcdade9
+  tilt (2.6.1) sha256=35a99bba2adf7c1e362f5b48f9b581cce4edfba98117e34696dde6d308d84770
+
+RUBY VERSION
+  ruby 4.0.0
+
+BUNDLED WITH
+  4.0.3
--- a/tests/unit/builder-dockerfile.bats
+++ b/tests/unit/builder-dockerfile.bats
@@ -170,3 +170,43 @@ EOF
  assert_success
  assert_output_contains "SECRET_KEY=fjdkslafjdk"
 }
+
+@test "(builder-dockerfile) cron:run" {
+  run /bin/bash -c "dokku config:set $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected dockerfile"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP cron_run_wrapper
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  cron_id="$(dokku cron:list $TEST_APP --format json | jq -r '.[0].id')"
+  run /bin/bash -c "echo $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_exists
+
+  run /bin/bash -c "dokku cron:run $TEST_APP $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output "['task.py', 'some', 'cron', 'task']"
+}
+
+cron_run_wrapper() {
+  local APP="$1"
+  local APP_REPO_DIR="$2"
+  [[ -z "$APP" ]] && local APP="$TEST_APP"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
+  convert_to_dockerfile "$APP" "$APP_REPO_DIR"
+  mv -f "$APP_REPO_DIR/app-cron.json" "$APP_REPO_DIR/app.json"
+}
--- a/tests/unit/builder-herokuish.bats
+++ b/tests/unit/builder-herokuish.bats
@@ -123,3 +123,42 @@ teardown() {
  assert_success
  assert_output_contains "SECRET_KEY=fjdkslafjdk"
 }
+
+@test "(builder-herokuish) cron:run" {
+  run /bin/bash -c "dokku config:set $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected herokuish"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP cron_run_wrapper
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  cron_id="$(dokku cron:list $TEST_APP --format json | jq -r '.[0].id')"
+  run /bin/bash -c "echo $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_exists
+
+  run /bin/bash -c "dokku cron:run $TEST_APP $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output "['task.py', 'some', 'cron', 'task']"
+}
+
+cron_run_wrapper() {
+  local APP="$1"
+  local APP_REPO_DIR="$2"
+  [[ -z "$APP" ]] && local APP="$TEST_APP"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
+  mv -f "$APP_REPO_DIR/app-cron.json" "$APP_REPO_DIR/app.json"
+}
--- a/tests/unit/builder-nixpacks.bats
+++ b/tests/unit/builder-nixpacks.bats
@@ -25,7 +25,7 @@ teardown() {
  echo "status: $status"
  assert_success

-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP inject_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
  echo "output: $output"
  echo "status: $status"
  assert_success
@@ -55,7 +55,7 @@ teardown() {
  echo "status: $status"
  assert_success

-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP inject_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
  echo "output: $output"
  echo "status: $status"
  assert_success
@@ -81,9 +81,44 @@ teardown() {
  assert_output_contains "SECRET_KEY=fjdkslafjdk"
 }

-inject_requirements_txt() {
+@test "(builder-nixpacks) cron:run" {
+  run /bin/bash -c "dokku config:set $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected nixpacks"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP cron_run_wrapper
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_contains 'load build definition from Dockerfile' -1
+  assert_output_contains "SECRET_KEY: fjdkslafjdk"
+
+  cron_id="$(dokku cron:list $TEST_APP --format json | jq -r '.[0].id')"
+  run /bin/bash -c "echo $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_exists
+
+  run /bin/bash -c "dokku cron:run $TEST_APP $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output "['task.py', 'some', 'cron', 'task']"
+}
+
+cron_run_wrapper() {
  local APP="$1"
  local APP_REPO_DIR="$2"
  [[ -z "$APP" ]] && local APP="$TEST_APP"
-  echo "flask" >>"$APP_REPO_DIR/requirements.txt"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
+  add_requirements_txt "$APP" "$APP_REPO_DIR"
+  mv -f "$APP_REPO_DIR/app-cron.json" "$APP_REPO_DIR/app.json"
 }
--- a/tests/unit/builder-pack.bats
+++ b/tests/unit/builder-pack.bats
@@ -143,3 +143,47 @@ teardown() {
  assert_success
  assert_output_contains '"APP_RESPECTS_ENV_VARS": "1"'
 }
+
+@test "(builder-pack) cron:run" {
+  run /bin/bash -c "dokku config:set $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected pack"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP cron_run_wrapper
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_contains 'from cnb stack'
+  assert_output_contains 'Building with buildpack 1' 0
+  assert_output_contains 'Installing dependencies using pip'
+
+  cron_id="$(dokku cron:list $TEST_APP --format json | jq -r '.[0].id')"
+  run /bin/bash -c "echo $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_exists
+
+  run /bin/bash -c "dokku cron:run $TEST_APP $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output "['task.py', 'some', 'cron', 'task']"
+}
+
+cron_run_wrapper() {
+  local APP="$1"
+  local APP_REPO_DIR="$2"
+  [[ -z "$APP" ]] && local APP="$TEST_APP"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
+  add_requirements_txt "$APP" "$APP_REPO_DIR"
+  ls -lah "$APP_REPO_DIR"
+  mv -f "$APP_REPO_DIR/app-cnb-cron.json" "$APP_REPO_DIR/app.json"
+}
--- a/tests/unit/builder-railpack.bats
+++ b/tests/unit/builder-railpack.bats
@@ -36,7 +36,7 @@ teardown() {
  echo "status: $status"
  assert_success

-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP inject_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
  echo "output: $output"
  echo "status: $status"
  assert_success
@@ -66,7 +66,7 @@ teardown() {
  echo "status: $status"
  assert_success

-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP inject_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
  echo "output: $output"
  echo "status: $status"
  assert_success
@@ -92,9 +92,44 @@ teardown() {
  assert_output_contains "SECRET_KEY=fjdkslafjdk"
 }

-inject_requirements_txt() {
+@test "(builder-railpack) cron:run" {
+  run /bin/bash -c "dokku config:set $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected railpack"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP cron_run_wrapper
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_contains 'create mise config'
+  assert_output_contains 'Successfully built image in'
+
+  cron_id="$(dokku cron:list $TEST_APP --format json | jq -r '.[0].id')"
+  run /bin/bash -c "echo $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_exists
+
+  run /bin/bash -c "dokku cron:run $TEST_APP $cron_id"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output "['task.py', 'some', 'cron', 'task']"
+}
+
+cron_run_wrapper() {
  local APP="$1"
  local APP_REPO_DIR="$2"
  [[ -z "$APP" ]] && local APP="$TEST_APP"
-  echo "flask" >>"$APP_REPO_DIR/requirements.txt"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
+  add_requirements_txt "$APP" "$APP_REPO_DIR"
+  mv -f "$APP_REPO_DIR/app-cron.json" "$APP_REPO_DIR/app.json"
 }
--- a/tests/unit/test_helper.bash
+++ b/tests/unit/test_helper.bash
@@ -574,6 +574,8 @@ add_requirements_txt() {
  local APP="$1"
  local APP_REPO_DIR="$2"
  [[ -z "$APP" ]] && local APP="$TEST_APP"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
  echo "flask" >>"$APP_REPO_DIR/requirements.txt"
 }

@@ -632,6 +634,8 @@ convert_to_dockerfile() {
  local APP="$1"
  local APP_REPO_DIR="$2"
  [[ -z "$APP" ]] && local APP="$TEST_APP"
+  APP_REPO_DIR="$(realpath "$APP_REPO_DIR")"
+
  mv "$APP_REPO_DIR/dockerfile.Dockerfile" "$APP_REPO_DIR/Dockerfile"
 }
Author	SHA1	Message	Date
Dokku Bot	10e835f6fe	Release 0.37.4 # History ## 0.37.4 Install/update via the bootstrap script: ```shell wget -NP . https://dokku.com/install/v0.37.4/bootstrap.sh sudo DOKKU_TAG=v0.37.4 bash bootstrap.sh ``` ### Bug Fixes - #8168: @josegonzalez Install logrotate in the container ### Tests - #8254: @josegonzalez Add a test to prove cron:run commands work as expected - #8255: @josegonzalez Update test ruby app ### Dependencies - #8252: @dependabot[bot] chore(deps): bump pymdown-extensions from 10.19.1 to 10.20 in /docs/_build - #8253: @dependabot[bot] chore(deps): bump qs from 6.14.0 to 6.14.1 in /tests/apps/checks-root - #8249: @dependabot[bot] chore(deps): bump traefik from 3.6.5 to 3.6.6 in /plugins/traefik-vhosts - #8250: @dependabot[bot] chore(deps): bump github.com/traefik/traefik/v2 from 2.11.33 to 2.11.34 in /plugins/scheduler-k3s - #8247: @dependabot[bot] chore(deps): bump ruby from 3.4.8 to 4.0.0 in /tests/apps/dockerfile-entrypoint ### Other - #8248: @osbre Add `proxy-keepalive` to Nginx properties	2026-01-05 04:54:10 +00:00
Jose Diaz-Gonzalez	822e5d9111	Merge pull request #8168 from dokku/8166-logrotate Install logrotate in the container	2026-01-04 23:52:59 -05:00
Jose Diaz-Gonzalez	7033a90659	fix: drop check	2026-01-04 23:52:27 -05:00
Jose Diaz-Gonzalez	47e6420c43	Merge pull request #8254 from dokku/8242-cron-run Add a test to prove cron:run commands work as expected	2026-01-04 23:51:10 -05:00
Jose Diaz-Gonzalez	f64b87cc27	fix: use correct path for app-cnb-cron.json	2026-01-04 22:03:59 -05:00
Jose Diaz-Gonzalez	9d603e1a45	fix: use real path when extracting files	2026-01-04 20:46:00 -05:00
Jose Diaz-Gonzalez	8f9ca78642	chore: debug	2026-01-04 03:38:44 -05:00
Jose Diaz-Gonzalez	1844416917	Merge pull request #8255 from dokku/update-ruby-test-app Update test ruby app	2026-01-04 02:53:33 -05:00
Jose Diaz-Gonzalez	7cfabe1322	fix: move the correct file over	2026-01-04 02:42:21 -05:00
Jose Diaz-Gonzalez	c19cb81c4b	tests: add a test to prove cron:run commands work as expected Closes #8242	2026-01-04 00:57:43 -05:00
Jose Diaz-Gonzalez	52c95d4317	tests: update test ruby app	2026-01-04 00:55:49 -05:00
Jose Diaz-Gonzalez	b1ebd694e6	refactor: standardize on add_requirements_txt wrapper	2026-01-04 00:35:30 -05:00
Jose Diaz-Gonzalez	1683cff5f9	chore: re-purge syslog-ng-core	2026-01-04 00:10:35 -05:00
Jose Diaz-Gonzalez	3f492f2f25	fix: install logrotate in the container	2026-01-03 22:50:38 -05:00
Jose Diaz-Gonzalez	58bc159063	Merge pull request #8248 from osbre/feat/nginx-upstream-keepalive-property Add `proxy-keepalive` to Nginx properties	2026-01-03 22:08:02 -05:00
Jose Diaz-Gonzalez	8891fcd61e	Merge pull request #8252 from dokku/dependabot/pip/docs/_build/pymdown-extensions-10.20 chore(deps): bump pymdown-extensions from 10.19.1 to 10.20 in /docs/_build	2026-01-03 21:38:14 -05:00
Jose Diaz-Gonzalez	bc9ef6b832	Merge pull request #8253 from dokku/dependabot/npm_and_yarn/tests/apps/checks-root/qs-6.14.1 chore(deps): bump qs from 6.14.0 to 6.14.1 in /tests/apps/checks-root	2026-01-03 21:38:07 -05:00
dependabot[bot]	ab4ab29a32	chore(deps): bump qs from 6.14.0 to 6.14.1 in /tests/apps/checks-root Bumps [qs](https://github.com/ljharb/qs) from 6.14.0 to 6.14.1. - [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md) - [Commits](https://github.com/ljharb/qs/compare/v6.14.0...v6.14.1) --- updated-dependencies: - dependency-name: qs dependency-version: 6.14.1 dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com>	2026-01-01 19:19:39 +00:00
dependabot[bot]	b9d5556b72	chore(deps): bump pymdown-extensions in /docs/_build Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 10.19.1 to 10.20. - [Release notes](https://github.com/facelessuser/pymdown-extensions/releases) - [Commits](https://github.com/facelessuser/pymdown-extensions/compare/10.19.1...10.20) --- updated-dependencies: - dependency-name: pymdown-extensions dependency-version: '10.20' dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>	2026-01-01 13:04:14 +00:00
Jose Diaz-Gonzalez	f3797264ce	Merge pull request #8249 from dokku/dependabot/docker/plugins/traefik-vhosts/traefik-3.6.6 chore(deps): bump traefik from 3.6.5 to 3.6.6 in /plugins/traefik-vhosts	2025-12-30 13:57:56 -05:00
Jose Diaz-Gonzalez	f8f1588764	Merge pull request #8250 from dokku/dependabot/go_modules/plugins/scheduler-k3s/github.com/traefik/traefik/v2-2.11.34 chore(deps): bump github.com/traefik/traefik/v2 from 2.11.33 to 2.11.34 in /plugins/scheduler-k3s	2025-12-30 13:57:49 -05:00
dependabot[bot]	1d3a1a938a	chore(deps): bump github.com/traefik/traefik/v2 Bumps [github.com/traefik/traefik/v2](https://github.com/traefik/traefik) from 2.11.33 to 2.11.34. - [Release notes](https://github.com/traefik/traefik/releases) - [Changelog](https://github.com/traefik/traefik/blob/master/CHANGELOG.md) - [Commits](https://github.com/traefik/traefik/compare/v2.11.33...v2.11.34) --- updated-dependencies: - dependency-name: github.com/traefik/traefik/v2 dependency-version: 2.11.34 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>	2025-12-30 13:09:14 +00:00
dependabot[bot]	8c49dac90e	chore(deps): bump traefik from 3.6.5 to 3.6.6 in /plugins/traefik-vhosts Bumps traefik from 3.6.5 to 3.6.6. --- updated-dependencies: - dependency-name: traefik dependency-version: 3.6.6 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>	2025-12-30 13:08:32 +00:00
Ostap Brehin	c84c0208a9	Nginx property `proxy-keepalive` must be an integer	2025-12-28 10:08:11 +00:00
Ostap Brehin	caff2e6b96	Document `proxy-keepalive` Nginx property	2025-12-27 20:27:29 +00:00
Ostap Brehin	675529cb6f	Add `proxy-keepalive` to Nginx properties	2025-12-27 20:27:29 +00:00
Jose Diaz-Gonzalez	fd03ee7849	Merge pull request #8247 from dokku/dependabot/docker/tests/apps/dockerfile-entrypoint/ruby-4.0.0 chore(deps): bump ruby from 3.4.8 to 4.0.0 in /tests/apps/dockerfile-entrypoint	2025-12-26 16:48:29 -05:00
dependabot[bot]	4cbf4e9424	chore(deps): bump ruby in /tests/apps/dockerfile-entrypoint Bumps ruby from 3.4.8 to 4.0.0. --- updated-dependencies: - dependency-name: ruby dependency-version: 4.0.0 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	2025-12-26 13:04:03 +00:00