Docker Commands

1) Run a container

docker run <container id>

2) List all the running containers

docker ps

3) List all the containers present

docker ps—a

4) Stop the container

docker stop <container id>

 Note: You can give just the first 3 letters of the container

Ex: docker stop 98x

5) Remove the stopped container

docker rm <container id>

6) List all the available images

docker images

7) To pull a docker image

docker pull <image name>

8) To check all the steps performed when the image was pulled

docker history <image id>

9) Remove the images that are no longer used

docker rmi <image name>

10) Run the container in detached mode

docker run—d <image name>

Ex: docker run —d ubuntu

11) Pull the image

docker pull <image name>

Ex: docker pull ubuntu

12) Execute command on a running container

docker exec <container id> <command to be executed>

13) If you want a particular version of the image add the tag

docker run <image name>:<version>

14) Run the container in interactive mode

docker run -it <container name>

15) Name the container

docker run —name=<name> <image name>

Ex: docker run —name=test ubuntu

16) Port mapping host:container

docker run—p <host port>:<container port> <image-name>

Ex: docker run —p 80:5000 ubuntu

17) Volume mapping

docker run —v <path where you want to store data>:<path from where you want to store>

Ex:  docker run —v /opt/home:/var/lib/test

18) If you want additional information if the container

docker inspect <container id>

19) To view the logs of a particular container

docker logs <containerid>

20) To setup environment variables

docker run—e <name>:<value> mysql

Ex: docker run —e MYSQL_ROOT_PASS=xyz mysql

21) To link the containers

docker run—d —link <container name> <container name>

Ex: docker run —d —link redis:redis flask-app

22) To bring up the entire application stack

docker-compose up

23) To remove all the dangling images

docker image prune -a

24) If you want to assign some amount of memory to your container

docker run —-memory=<specify memory> <image name>

Ex: docker run -memory=100m ubuntu

25) Set CPU limit

docker run —cpu=<specify limit> <image name>

Ex: docker run —cpu=100m ubuntu

26) Create space/volume to store all your data

docker volume create <volume name>

27) To store the data inside your volume

docker run—v <volume name>:<path to store from><path to store to>

28) To get more info on docker

docker info | more

29) To check the actual disk consumption used by docker

docker system df

29) If you want to run a container on a particular network

docker run —network=<network name> <image name>

30) To check all the networks available

docker network Is

31) Check Docker stats

docker stats