docker FAQ ¶

See also

https://docs.docker.com/compose/faq/

Contents

docker FAQ

How to delete all your docker images ?¶

docker rm $(docker ps -a -q)

How to run a shell in our running container ?¶

See also

There are 2 methods:

docker exec
```
$ docker exec -ti ticktock sh
```
overriding the Dockerfile entrypoint see https://avril2018.container.training/intro.yml.html#194
```
$ docker run -it --entrypoint bash figlet
```

How to delete stopped containers ?¶

See also

Getting inside a container

$ docker system prune

WARNING! This will remove:
                - all stopped containers
                - all networks not used by at least one container
                - all dangling images
                - all build cache
Are you sure you want to continue? [y/N] y
Deleted Containers:
9a47c35465927f391fefd3faeec5b88a6926430ba7bf49160e08cfbf61d9aeab
a1919f59bab55b472597c00051c5be57aac64e2f5d5e40deba0cbe5f9f4448ff
49268904d59e18f3b4b33f1ff11122cc3d6cefc5dbec0a0242f20f4f2dee219f
a061133b8ff0e07b63285573b2f3e4dc9ac598c36737d32c42ff0d80af7d5668

Deleted Networks:
ch4-message-board-app_default

Deleted Images:
deleted: sha256:e43bb6363c1ff911ce34c76475cfbc4020df989221710052a8be91f7702afcab
deleted: sha256:46ee23e3a5a944b87b11ba03fda425d9b79a922c9df4e958def47785a5303965
deleted: sha256:d373c573904be4c45edce0494c202f7a1cf44c87515ad24b2c2c80824b734115
deleted: sha256:aee4f1ad67db567e681ed8847ab56c87489ab44bfd1cc183f9a75fc1164ce4a7
deleted: sha256:724bf0a6facc9e4efd4e865c995a683e586981deb6310115269f864cda772836

Total reclaimed space: 8.349kB

Where can I find example compose files ?¶

There are many examples of Compose files on github.