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Docker cheat sheet Cheat Sheet by

Important Docker Commands

General Commands

docker version
Shows the Docker version inform­ation
docker info
Display system­-wide inform­ation
docker help <co­mma­nd>
Shows help for a specific command

Image Commands

docker images
List images
docker pull <im­age>
Pull an image or a repository from a registry
docker rmi <im­age>
Remove one or more images

Container Commands

docker ps
Lists running containers
docker ps -a
List all containers (both running and stopped)
docker run <im­age>
Run a command in a new container
docker start
Start one or more stopped containers
docker restart
Restart one or more containers
docker stop <co­nta­ine­r>
Stop one or more running containers
docker rm <co­nta­ine­r>
Remove one or more containers
docker rename
Rename a container

Dockerfile Instru­ctions

Set the Base Image for subsequent instru­ctions
Execute any commands in a new layer on top of the current image and commit the results
Provide defaults for an executing container
nform Docker that the container listens on the specified network ports at runtime
Set enviro­nment variables
Copy new files, direct­ories or remote file URLs from <sr­c> and add them to the filesystem of the image at the path <de­st>
Copy new files or direct­ories from <sr­c> and add them to the filesystem of the container at the path <de­st>
Allows you to configure a container that will run as an executable
Create a mount point with the specified name and mark it as holding externally mounted volumes from native host or other containers
Set the user name or UID to use when running the image and for any RUN, CMD and ENTRYPOINT instru­ctions that follow it in the Dockerfile
Sets the working directory for any RUN, CMD, ENTRYP­OINT, COPY and ADD instru­ctions that follow it in the Dockerfile

Dockerfile Commands

docker build -t <ta­g>
Build an image from a Dockerfile in the current directory
docker tag <im­age> <ta­g>
Tag an image to a name (local or registry)


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