Docker Cheetsheet

Docker.CheetSheet.Commands.md

DockerCommands

Bash

• Run a container with a default bash command.

  Example:

  docker container run -it --name container_name ubuntu bash

  Description:

  docker container run [OPTIONS] --name CONTAINER_NAME ubuntu COMMAND

• Start an existing container with a default bash command.

  Example:

  docker container start -ai container_name

  Description:

  docker container start [OPTIONS] --name CONTAINER_NAME

• Exit an existing container from bash mode.

  Example:

  exit

• Execute a bash command on an existing container that is still in process.

  Example:

  docker container exec -it container_name bash

  Description:

  docker container exec [OPTIONS] --name CONTAINER_NAME COMMAND

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Build

Build a Docker image from a Dockerfile.

Example:

docker image build -t yaronmiro/node:6.11.5-alpine .

Description:

docker image build [OPTIONS:TAG] => IMAGE_NAME DOCKERFILE_PATH

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Detach

Run a Docker container process as background process on the CLI.

-d / --detach

Example:

docker container run -d

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Inspect

Display detailed information of a target container.

Example:

docker container inspect container_name => output a json format object of the container.

docker container inspect container_name --format '{{ .NetworkSettings.IPAddress }}' => Get the container IP Address.

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List

Display a list of containers'{{ .NetworkSettings.IPAddress }}'

aliases => ps, list

Example:

docker container ls => Only list the current running continers.

docker container ls -a => List all of the existing continers on the machine.

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Name

Define a unique fixed name for the container process (Alternative identifier usage over a random genarated container ID).

-n / --name

Example:

docker container run --name container_name

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Publish

Define the incoming connection from the host machine into the container by defining a port relationship.

-p / --publish

Example

docker container run --publish 80:80 => Define a single port mapping.

docker container run --publish 80:80 --publish 3000:3000 => Define a multiple port mapping. HOST_PORT : CONTAINER_PORT => Arguments description.

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Remove image

docker image prune -f => Removes all history images from build process (repository => <none>)

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Remove container

Remove one or more containers by specifing a single or multiple containers names or Ids.

rm

Example:

docker container rm container_name => Remove a single container.

docker container rm container_1 container_2 => Remove multiple containers.

docker container rm -f container_name => Remove by force a current running container.

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Remove auto.

Remove a container automatically after exit.

--rm

Example:

docker container run --rm -it --name container_name nginx bash

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Stats

Display a live monitor of container preformance.

Example:

docker container stats => Displays a list of all the current running container stats.

docker container stats container_name => Displays a target container stats.

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Tag

Create a taged image.

Example:

docker image tag image image_with_a_tag_name

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Top

Display the running processes inside the target container

Example:

docker container top container_name

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Network

Docker network commands.

Example:

docker network ls => List all networks

docker network inspect network_name => Get a JSON format network details.

docker network create my_app_net => Create a new docker network.

docker network connect --network may_app_net container name => Connect a target container to specific network.

docker network disconnect --network may_app_net container name => Disconnect a target container from specific network.

docker container run --network may_app_net ngnix => Run a new container that is attached to a specific network.

docker container exec -it container_A ping container_B => Test connection bwtween containers on the by using the ping command.

docker container run -d --name search_Two --network search_net --net-alias search elasticsearch:2 => Create a container with an alias DNS search

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Pull

Download an image from docker hub.

pull

Example:

docker image pull image_name

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Push

Upload an image to docker hub.

push

Example:

docker image push image_name

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Volume

• docker volume ls => get a list of all the volumes.

• docker volume inspect volume_name => get a list of all the volumes.

• Volumes Binding name.

  docker container run --name my_container -v db:/var/lib/postgresql/data => Create a name binding for the volume.

  docker container run --name my_container -v [VOLUME_NAME]:[VOLUME_IMAGE_PATH]

• Volumes Mount Binding.

  docker container run --name my_container -v project/app:/var/lib/postgresql/data => Create a name binding for the volume.

  docker container run --name my_container -v [HOST_DIRECTORY_PATH]:[VOLUME_IMAGE_PATH]

• docker container inspect db_old => Inspect a the section that points to the {{ .Mounts }} config.

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Clean docker data shortcuts.

docker kill $(docker ps -q) => KIll on the running docker process.

$ docker rm -v $(docker container ls -q -a) => Remove all of the containers.

$ docker rmi $(docker image ls -q) => Remove all the images.

$ docker rmi $(docker volumes ls -q) => Remove all the volumes.