docker.md

Docker Cheatsheet

Delete all existing containers

$ docker rm $(docker ps -aq)

Delete all images exept registry.company.com/foo and registry.company.com/bar

$ docker rmi $(docker images | grep -v 'registry.company.com/foo\|registry.company.com/bar' | awk {'print $3'})

Run /bin/bash in an already running Container

$ docker exec -i -t <container-id> /bin/bash

Run shell inside a container

$ docker run -i -t wildfly-helloworld:latest /bin/bash

List all containers

$ docker ps -a

Mount host filesystem to container (/tmp/log of the host will be mounted as /home/jboss//standalone/log inside the container)

$ docker run -p 8080:8080 -p 9990:9990 -v /tmp/log:/home/jboss/standalone/log wildfly-helloworld:latest

Show differences of a container to its base image

$ docker ps -a $ docker diff dbcda82c20fc

Commit an existing container with a new tag

$ docker commit dbcda82c20fc wildfly-helloworld:my-new-tag