Merge pull request #3038 from shrmnk/feature/ps-stopall

Feature: dokku ps:stopall

docs/deployment/process-management.md

@@ -14,6 +14,7 @@ ps:scale <app> <proc>=<count> [<proc>=<count>] # Get/Set how many instances of a
 ps:set-restart-policy <app> <policy>           # Sets app restart-policy
 ps:start <app>                                 # Start app container(s)
 ps:stop <app>                                  # Stop app container(s)
+ps:stopall                                     # Stop all app container(s)
 ```
 
 By default, Dokku will only start a single `web` process - if defined - though process scaling can be managed by the `ps` plugin or [via a custom `DOKKU_SCALE` file](/docs/deployment/process-management.md#manually-managing-process-scaling).
@@ -99,6 +100,12 @@ Deployed applications can be stopped using the `ps:stop` command. This turns off
 dokku ps:stop node-js-app
 ```
 
+You may also stop all applications at once:
+
+```shell
+dokku ps:stopall
+```
+
 ### Starting applications
 
 All stopped containers can be started using the `ps:start` command. This is similar to running `ps:restart`, except no action will be taken if the application containers are running.

docs/development/plugin-triggers.md

@@ -744,7 +744,7 @@ verify_app_name "$APP"
 ### `post-stop`
 
 - Description: Can be used to run commands after an application is manually stopped
-- Invoked by: `dokku ps:stop`
+- Invoked by: `dokku ps:stop` and `dokku ps:stopall`
 - Arguments: `$APP`
 - Example:
 

docs/getting-started/uninstalling.md

@@ -36,7 +36,7 @@ All applications should be stopped, and all docker containers and images deleted
 
 ```shell
 # stop all applications
-dokku --quiet apps | xargs dokku ps:stop
+dokku ps:stopall
 
 # cleanup containers and images
 dokku cleanup

docs/getting-started/upgrading.md

@@ -39,9 +39,11 @@ If Dokku was installed via `apt-get install dokku` or `bootstrap.sh` (most commo
 sudo apt-get update
 
 # stop each running app
-# for 0.8.1 and newer versions, use
+# for 0.11.4 and newer versions, use
+dokku ps:stopall
+# for versions between 0.8.1 and 0.11.3, use
 dokku --quiet apps:list | xargs -L1 dokku ps:stop
-# for older versions, use 
+# for versions versions older than 0.8.1, use
 dokku --quiet apps | xargs -L1 dokku ps:stop
 
 # update dokku and it's dependencies