[ci skip] move taging to deployment doc
This commit is contained in:
Michael Hobbs
@@ -121,7 +121,7 @@ This is in particular useful, then you want to deploy to root domain, as
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remote: -----> Application deployed:
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remote: -----> Application deployed:
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remote: http://dokku.me
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remote: http://dokku.me
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# Zero downtime deploy
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## Zero downtime deploy
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Following a deploy, dokku will now wait `DOKKU_DEFAULT_CHECKS_WAIT` seconds (default: `10`), and if the container is still running, then route traffic to the new container.
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Following a deploy, dokku will now wait `DOKKU_DEFAULT_CHECKS_WAIT` seconds (default: `10`), and if the container is still running, then route traffic to the new container.
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@@ -147,7 +147,7 @@ Checks can be skipped entirely by setting `DOKKU_SKIP_ALL_CHECKS` to `true` eith
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See [checks-examples.md](checks-examples.md) for examples and output.
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See [checks-examples.md](checks-examples.md) for examples and output.
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# Removing a deployed app
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## Removing a deployed app
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SSH onto the server, then execute:
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SSH onto the server, then execute:
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@@ -155,6 +155,61 @@ SSH onto the server, then execute:
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dokku apps:destroy myapp
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dokku apps:destroy myapp
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```
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```
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# Dokku/Docker Container Management Compatibility
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## Image tagging
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The dokku tags plugin allows you to add docker image tags to the currently deployed app image for versioning and subsequent deployment.
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```
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tags <app> List all app image tags
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tags:create <app> <tag> Add tag to latest running app image
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tags:deploy <app> <tag> Deploy tagged app image
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tags:destroy <app> <tag> Remove app image tag
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```
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Example:
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```
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root@dokku:~# dokku tags node-js-app
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=====> Image tags for dokku/node-js-app
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REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
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dokku/node-js-app latest 936a42f25901 About a minute ago 1.025 GB
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root@dokku:~# dokku tags:create node-js-app v0.9.0
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=====> Added v0.9.0 tag to dokku/node-js-app
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root@dokku:~# dokku tags node-js-app
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=====> Image tags for dokku/node-js-app
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REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
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dokku/node-js-app latest 936a42f25901 About a minute ago 1.025 GB
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dokku/node-js-app v0.9.0 936a42f25901 About a minute ago 1.025 GB
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root@dokku:~# dokku tags:deploy node-js-app v0.9.0
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-----> Releasing node-js-app (dokku/node-js-app:v0.9.0)...
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-----> Deploying node-js-app (dokku/node-js-app:v0.9.0)...
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-----> Running pre-flight checks
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For more efficient zero downtime deployments, create a file CHECKS.
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See http://progrium.viewdocs.io/dokku/checks-examples.md for examples
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CHECKS file not found in container: Running simple container check...
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-----> Waiting for 10 seconds ...
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-----> Default container check successful!
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=====> node-js-app container output:
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Detected 512 MB available memory, 512 MB limit per process (WEB_MEMORY)
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Recommending WEB_CONCURRENCY=1
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> node-js-sample@0.1.0 start /app
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> node index.js
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Node app is running at localhost:5000
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=====> end node-js-app container output
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-----> Running post-deploy
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-----> Configuring node-js-app.dokku.me...
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-----> Creating http nginx.conf
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-----> Running nginx-pre-reload
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Reloading nginx
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-----> Shutting down old containers in 60 seconds
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=====> 025eec3fa3b442fded90933d58d8ed8422901f0449f5ea0c23d00515af5d3137
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=====> Application deployed:
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http://node-js-app.dokku.me
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```
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## Dokku/Docker Container Management Compatibility
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Dokku is, at it's core, a docker container manager. Thus, it does not necessarily play well with other out-of-band processes interacting with the docker daemon. One thing to note as in [issue #1220](https://github.com/progrium/dokku/issues/1220), dokku executes a cleanup function prior to every deployment. This function removes all exited containers and all 'unattached' images.
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Dokku is, at it's core, a docker container manager. Thus, it does not necessarily play well with other out-of-band processes interacting with the docker daemon. One thing to note as in [issue #1220](https://github.com/progrium/dokku/issues/1220), dokku executes a cleanup function prior to every deployment. This function removes all exited containers and all 'unattached' images.
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@@ -42,58 +42,3 @@ dokku ps:scale app_name web=1 worker=2
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## The web proctype
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## The web proctype
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Like Heroku, we handle the `web` proctype differently from others. The `web` proctype is the only proctype that will invoke custom checks as defined by a CHECKS file. It is also the only proctype that will be launched in a container that is either proxied via nginx or bound to an external port.
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Like Heroku, we handle the `web` proctype differently from others. The `web` proctype is the only proctype that will invoke custom checks as defined by a CHECKS file. It is also the only proctype that will be launched in a container that is either proxied via nginx or bound to an external port.
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## Image tagging
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The dokku tags plugin allows you to add docker image tags to the currently deployed app image for versioning and subsequent deployment.
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```
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tags <app> List all app image tags
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tags:create <app> <tag> Add tag to latest running app image
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tags:deploy <app> <tag> Deploy tagged app image
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tags:destroy <app> <tag> Remove app image tag
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```
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Example:
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```
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root@dokku:~# dokku tags node-js-app
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=====> Image tags for dokku/node-js-app
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REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
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dokku/node-js-app latest 936a42f25901 About a minute ago 1.025 GB
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root@dokku:~# dokku tags:create node-js-app v0.9.0
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=====> Added v0.9.0 tag to dokku/node-js-app
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root@dokku:~# dokku tags node-js-app
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=====> Image tags for dokku/node-js-app
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REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
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dokku/node-js-app latest 936a42f25901 About a minute ago 1.025 GB
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dokku/node-js-app v0.9.0 936a42f25901 About a minute ago 1.025 GB
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root@dokku:~# dokku tags:deploy node-js-app v0.9.0
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-----> Releasing node-js-app (dokku/node-js-app:v0.9.0)...
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-----> Deploying node-js-app (dokku/node-js-app:v0.9.0)...
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-----> Running pre-flight checks
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For more efficient zero downtime deployments, create a file CHECKS.
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See http://progrium.viewdocs.io/dokku/checks-examples.md for examples
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CHECKS file not found in container: Running simple container check...
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-----> Waiting for 10 seconds ...
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-----> Default container check successful!
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=====> node-js-app container output:
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Detected 512 MB available memory, 512 MB limit per process (WEB_MEMORY)
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Recommending WEB_CONCURRENCY=1
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> node-js-sample@0.1.0 start /app
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> node index.js
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Node app is running at localhost:5000
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=====> end node-js-app container output
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-----> Running post-deploy
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-----> Configuring node-js-app.dokku.me...
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-----> Creating http nginx.conf
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-----> Running nginx-pre-reload
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Reloading nginx
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-----> Shutting down old containers in 60 seconds
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=====> 025eec3fa3b442fded90933d58d8ed8422901f0449f5ea0c23d00515af5d3137
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=====> Application deployed:
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http://node-js-app.dokku.me
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```
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