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Docker 🐋 quick guide
Posted on 18 Oct, 2020
- 1.Remove docker image.docker rmi <img-id>
- 2.Remove docker container.docker rm <container-id>
- 3.Build a docker image with a name.docker build -f <dockerfile-path> -t name .
- 4.Run a container.docker run -p 3000:3000 <container-id>
- 5.Stop a container.docker stop <container-id>
- 6.Run a container in detach mode (run in background).docker run -d <container-id>For the love of God always add a
-d
while running a container. Speaking this from experience.If you don't run in detach mode, you won't be able to Ctrl+C (or exit), instead use Ctrl+PC (yes the P key and C key). - 7.List docker volumes.docker volume ls
- 8.Remove docker volume.docker volume rm <volume-name>
- 9.Check port mapping.docker port <name>
- 10.Starting a docker containerdocker start <container>The first two letters of CONTAINER_ID can be provided as an argument too.
- 11.Run a command inside container.docker container exec <CONTAINER> ls -la
- 12.Check history of an image.docker history <IMAGE>
- 13.Connect to local port inside container.docker run -d --network=host --add-host=host.docker.internal:127.0.0.1
Tip: Aliasdocker-compose
to an alias likedc
to make your life better
- 1.Build and run containers.docker-compose up --build
- 2.Start compose in detached modedocker-compose up -d
- 3.Stop containers.docker-compose stop
- 4.Check logs/console messages.docker-compose logs <image name># or better use dockerdocker logs -f <image name>To clear log output, use
cmd + k
, orctrl + k
- 5.List all containers.docker-compose ps
- 1.Run a postgres container.docker run --name postgres --rm -p 5438:5432 -e POSTGRES_PASSWORD=pass -e POSTGRES_DB=test -d postgresGet psql usingdocker container exec -it postgres psql -U postgres -d test