Docker cheat-sheet

Docker Basic Command

• To see all images present in your local.

• docker images

• To find out images in the docker hub.

  docker search <image_name>

• To download an image from docker-hub to a local machine.

  docker pull <image_name>

• To give a name to the container and run.

  docker run -it --name <container-name> <image_name> [-it interactive mode & direct to terminal]

• To check, whether the service is starting or not.

  systemctl status docker / service docker status

• To start the service.

  systemctl start docker / service docker start

• To start/stop the container.

  docker start <container-name>

  docker stop <container-name>

• To go inside the container.

  docker attach <container-name>

• To see all the containers.

  docker ps -a

• To see only running containers.

  docker ps

• To delete the container.

  docker rm <container-name>

• Exiting from the docker container.

  exit

• To delete images.

  docker rmi <image-name/id>

  docker image rm <image-name/id>

• Create an image from Container

  docker commit <container-name>

Docker Volume

• To create a docker volume

  docker volume create <volume_name>

• To see all created volumes

  docker volume ls

• To delete volume

  docker volume rm <volume-name>

• To remove all unused docker volumes

  docker volume prune

• To get volume details

  docker volume inspect <volume-name>

• To get container details

  docker inspect <container-name>

Docker Hub login

• Login to registry

  docker login

• Logout for registry

  docker logout

Builder Main Commands

• To create an image out of Dockerfile

  docker build . -t imagename

• Manage containers

    docker create [options] IMAGE
      -a, --attach               # attach stdout/err
      -i, --interactive          # attach stdin (interactive)
      -t, --tty                  # pseudo-tty
          --name NAME            # name your image
      -p, --publish 5000:5000    # port map
          --expose 5432          # expose a port to linked containers
      -P, --publish-all          # publish all ports
          --link container:alias # linking
      -v, --volume `pwd`:/app    # mount (absolute paths needed)
      -e, --env NAME=hello       # env vars
  

Docker-compose

# docker-compose.yml
version: '2'

services:
  web:
    build:
    # build from Dockerfile
      context: ./Path
      dockerfile: Dockerfile
    ports:
     - "5000:5000"
    volumes:
     - .:/code
  redis:
    image: redis

Commands

•   docker-compose start
    docker-compose stop
  

    docker-compose pause
    docker-compose unpause
  

    docker-compose ps
    docker-compose up
    docker-compose down
  

  Thank you for Reading