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Docker cheat sheet

Docker commands for everyday work, plus Docker Compose. Click a command to copy it.

Images

: Build an image from the Dockerfile here
: Build with a version tag
: List images
: Download an image
: Upload an image to a registry
: Delete an image

Running containers

: Run in the background, port 8080 on your machine → 80 inside
: Run with a shell, removed when you exit
: Pass an environment variable
: Pass variables from a file
: Share the current folder with the container

Managing containers

: Running containers
: All containers, including stopped
: Stop a container
: Start it again
: Restart
: Delete a stopped container (-f to force)

Inside a container

: Follow a container’s output
: Last 100 lines of output
: Open a shell in a running container
: Copy a file out of a container
: Live CPU and memory use
: All details as JSON

Volumes and networks

: Create a volume for data that should survive
: Use a volume
: List volumes
: Create a network so containers can reach each other by name
: Join a network

Docker Compose

: Start everything in compose.yaml in the background
: Rebuild images, then start
: Stop and remove the containers
: Same, and delete the volumes (data!)
: Follow one service’s output
: Shell in a running service
: Services and their state

Cleaning up

: How much disk Docker uses
: Delete all stopped containers
: Delete images no container uses
: Delete stopped containers, unused networks and dangling images

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