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Build
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build is the process of building Docker images using a Dockerfile.
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Container
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a container is a runtime instance of a Docker image.
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Dockerfile
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a Dockerfile is a text document that contains all the commands you would normally execute manually in order to build a Docker image. Docker can build images automatically by reading the instructions from a Dockerfile.
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Docker Daemon
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the background service running on the host that manages building, running and distributing Docker containers. The daemon is the process that runs in the operating system which clients talk to.
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Image
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a Docker image is a read-only template that contains a set of instructions for creating a container.
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Stack
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a group of containers that runs together in order to create a service. Example: [wordpress] + [mySql]
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Volume
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Docker volumes are file systems mounted into a Docker containers to preserve data generated by the running container.
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Author this cheat sheet has been created by TheFax
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docker run
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parameter |
description |
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-d
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Run in background / detached mode
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-it
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Interactive, tty
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--rm
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Remove container after it stops.
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-p 83:80
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Port mapping host:container
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-v /dirHost:/dir
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Mount file or directories /host/dir:/container/dir
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--name pluto
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Set container name
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--restart no
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Restart policy:
no: stops the container when it exit. on-failure[:max-retries]: Restart only if the container exits with a non-zero exit status. Optionally, limit the number of restart retries. always: restart the container regardless of the exit status. The container will also always start on daemon startup. unless-stopped: Always restart the container regardless of the exit status, except if the container was put into a stopped state. |
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IMAGE
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Image name is the LAST parameter.
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docker start/stop CONTAINER
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Start or stop a container
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docker pause/unpause CONTAINER
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Pause or unpause a container
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docker restart CONTAINER
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Stop and restart a container
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docker attach CONTAINER
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Connect terminal to a running container
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docker rename OLD_NAME NEW_NAME
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Rename a container
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docker container rm CONTAINER
docker rm CONTAINER |
Remove the specified container
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docker container rm -f CONTAINER
docker rm -f CONTAINER |
Force the removing of specified container.
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docker container prune
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Delete all stopped containers
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docker rmi IMAGE, or docker image rm IMAGE
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Remove image
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docker build URL
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Create an image from a dockerfile
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docker commit CONTAINER NEW_IMAGE_NAME
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Create an image from a container
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docker search TERM
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Search the Docker Hub for images
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docker stats
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Live data about running containers
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docker ps
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List running containers
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docker ps -a
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List ALL containers, also stopped ones
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docker port CONTAINER
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List port mapping of specified container
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docker image ls, or docker images
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List all locally stored images
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docker container ls
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List running containers
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docker container ls -a
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List all containers
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docker volume ls
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List volumes
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Where are docker images and files?
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/var/lib/docker
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How can I refer to a container?
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Via its name (set by --name Pluto) or...
Via its ID (example: 4a7f7eebae0f63178aff7eb0aa39f0627a203ab2df258c1a00b456cf20063) or... Via the first letters of its ID (example: 4a7f) |
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How can I test my docker?
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Try one of these commands:
docker run hello-world docker run -it --rm -d --name test -p 83:80 nginx |
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