refactor: switch to /mnt/dokku

Dockerfile

@@ -39,10 +39,10 @@ RUN \
     mv /home/dokku /skel/home/dokku && \
     mv /var/lib/dokku/config /skel/var/lib/dokku/config && \
     mv /var/lib/dokku/data /skel/var/lib/dokku/data && \
-    ln -sf /mount/etc/ssh /etc/ssh && \
-    ln -sf /mount/home/dokku /home/dokku && \
-    ln -sf /mount/var/lib/dokku/config /var/lib/dokku/config && \
-    ln -sf /mount/var/lib/dokku/data /var/lib/dokku/data && \
+    ln -sf /mnt/dokku/etc/ssh /etc/ssh && \
+    ln -sf /mnt/dokku/home/dokku /home/dokku && \
+    ln -sf /mnt/dokku/var/lib/dokku/config /var/lib/dokku/config && \
+    ln -sf /mnt/dokku/var/lib/dokku/data /var/lib/dokku/data && \
     mv /etc/my_init.d/00_regen_ssh_host_keys.sh \
       /etc/my_init.d/15_regen_ssh_host_keys && \
     rm /etc/nginx/sites-enabled/default && \

docker/etc/my_init.d/10_dokku_init

@@ -13,16 +13,16 @@ log-fail() {
 }
 
 main() {
-  if [[ ! -d /mount ]]; then
-    log-info "Creating missing /mount"
-    mkdir -p /mount
+  if [[ ! -d /mnt/dokku ]]; then
+    log-info "Creating missing /mnt/dokku"
+    mkdir -p /mnt/dokku
   fi
 
   directories=("/etc/ssh" "/home/dokku" "/var/lib/dokku/config" "/var/lib/dokku/data")
   for dir in "${directories[@]}"; do
     if [[ ! -e "$dir" ]]; then
       log-info "Copying ${dir} skel into place"
-      mkdir -p "/mount${dir}"
+      mkdir -p "/mnt/dokku${dir}"
       rsync -a "/skel${dir}/" "${dir}/" || log-fail "Unable to copy ${dir} skel into place"
     fi
 
@@ -32,10 +32,10 @@ main() {
     fi
   done
 
-  if [[ -f /mount/plugin-list ]]; then
+  if [[ -f /mnt/dokku/plugin-list ]]; then
     while read line; do
       dokku plugin:install "$(echo "$line" | awk '{print $2}')" "$(echo "$line" | cut -d':' -f1)"
-    done </mount/plugin-list
+    done </mnt/dokku/plugin-list
   fi
 
   if [[ -n "$DOKKU_HOSTNAME" ]]; then
@@ -44,12 +44,12 @@ main() {
     dokku --quiet domains:set-global "$DOKKU_HOSTNAME"
   fi
 
-  if [[ ! -f /mount/etc/nginx/dhparam.pem ]]; then
-    mkdir -p /mount/etc/nginx
-    openssl dhparam -out /mount/etc/nginx/dhparam.pem 2048
+  if [[ ! -f /mnt/dokku/etc/nginx/dhparam.pem ]]; then
+    mkdir -p /mnt/dokku/etc/nginx
+    openssl dhparam -out /mnt/dokku/etc/nginx/dhparam.pem 2048
   fi
 
-  cp -f /mount/etc/nginx/dhparam.pem /etc/nginx/dhparam.pem
+  cp -f /mnt/dokku/etc/nginx/dhparam.pem /etc/nginx/dhparam.pem
   chown root:root /etc/nginx/dhparam.pem
   chown root:root /etc/nginx/conf.d
 }

docs/getting-started/install/docker.md

@@ -15,7 +15,7 @@ docker run \
   --publish 3022:22 \
   --publish 8080:80 \
   --publish 8443:443 \
-  --volume /mount:/mount \
+  --volume /var/lib/dokku:/mnt/dokku \
   --volume /var/run/docker.sock:/var/run/docker.sock \
   dokku/dokku:v0.17.7
 ```
@@ -27,12 +27,12 @@ Dokku is run with the following options:
 - Container SSH port 22 is exposed on the host as 3022.
 - Container HTTP port 80 is exposed on the host as 8000.
 - Container HTTPS port 443 is exposed on the host as 8443.
-- Data within the container is stored on the host within the `/mount` directory.
+- Data within the container is stored on the host within the `/var/lib/dokku` directory.
 - The docker socket is mounted into container
 
-Application repositories, plugin config, and plugin data is persisted to disk within the specified host directory for `/mount`.
+Application repositories, plugin config, and plugin data is persisted to disk within the specified host directory for `/var/lib/dokku`.
 
-To install custom plugins, create a `plugin-list` file in the host's `/mount` directory. The plugins listed herein will be automatically installed by Dokku on container boot. This file should be the following format:
+To install custom plugins, create a `plugin-list` file in the host's `/var/lib/dokku` directory. The plugins listed herein will be automatically installed by Dokku on container boot. This file should be the following format:
 
 ```yaml
 plugin_name: repository_url