Docker Deep Dive: Advanced Techniques/

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Managing Apps with Compose

Managing Apps with Compose

Learn how to stop, restart, delete, and check the status of Compose applications using Docker Compose subcommands.

We'll cover the following...

In this lesson, we’ll see how to stop, restart, delete, and get the status of Compose apps.

The docker compose down command

Run the following command to shut down the app. If you started it in the foreground, you’ll see messages requesting the app to gracefully quit.

$ docker compose down
  redis-1   | 1:signal-handler (1711912860) Received SIGTERM scheduling shutdown...
  redis-1   | 1:M 31 Mar 2024 19:21:00.406 * User requested shutdown...
  redis-1   | 1:M 31 Mar 2024 19:21:00.406 * Saving the final RDB snapshot before exiting.
  redis-1   | 1:M 31 Mar 2024 19:21:00.409 * DB saved on disk
  redis-1   | 1:M 31 Mar 2024 19:21:00.409 # Redis is now ready to exit, bye bye...
  <Snip>
  - Container multi-container-redis-1     Removed                0.1s
  - Container multi-container-web-fe-1    Removed                0.2s
  - Container multi-container-redis-1     Removed                0.1s
  - Network multi-container_counter-net   Removed                0.1s
Stopping and removing containers and networks

The output shows Docker removing both containers and the network. However, it doesn’t mention the volume. Run a docker volumes ls command to see if the volume still exists.

$ docker volume ls
<Snip>
local     multi-container_counter-vol
Verifying the volume

The volume still exists, including the counter data stored in it. This is because Docker knows that we store important information in volumes and ...