Docker Cheat Sheet
[vc_row][vc_column][vc_column_text]Image Build & Push
| Command | What does it do? |
| docker build -t myapp :1.0 . | To build an image from the Docker file and tag it |
| docker image ls | To list all the images that are locally stored: |
| docker rmi <name> | To delete an image from the Docker Store |
| docker tag <name> <repo-url>/<name> | To tag an image with repo url or username and image name |
| docker push <repo-url>/<name> | To push the docker image to repository |
Container Run & Manage
| Command | What does it do? |
| docker run <image-name> | To run a container from defined image
use -d to run container in background use -p to publish port to container use –name to name the container use -e to pass env variable in container use –restart to define restart behaviour |
| docker ps | To list the running container use -a to see all container |
| docker stop <container-id> | To stop a running container |
| docker rm <container-id> | To remove a container in exited mode |
| docker exec -it <container-id> <command> | To execute command inside container interactive shell |
| docker inspect <container-id> | To list information of a container |
| docker log <container-id> | To retrieve logs of application inside the container use -f to retrieve logs in streaming mode |
| docker top <container-id> | To retrieve resource utilization of a container |
| docker commit <container-name> | To create an image from a container |
Docker Volume
| Command | What does it do? |
| docker volume <name> | To create a docker volume |
| docker run -v
Ex: docker run -v vol:/data redis docker run -v $PWD:/data redis |
Use -v flag followed volume name and mount path to mount a volume in container
OR Use -v flag followed host path and mount path to mount a volume in container |
| docker volume inspect <volume-name> | To list information of a volume |
Docker Network
| Command | What does it do? |
| docker network create | To create new network use –type to define the driver type |
| docker run –net
Ex: docker run –net mynetwork |
Use -v flag to run container in network of your choice |
| docker network inspect <network-name> | To list information of a network |
Clean-up
| Command | What does it do? |
| docker system prune | To remove all containers, images, network and volumes |
| docker stop $(docker ps -q -a) | To stop all running containers |
| docker rm $(docker ps -q -a) | To remove all exited containers |
| docker rmi $(docker image ls) | To remove all local images |
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