These are most used docker commands to learn.

Basic Commands:

• docker run – Run a container from a specific image
• docker start – Start an existing container
• docker stop – Stop a running container
• docker rm – Remove a stopped container
• docker rmi – Remove an image
• docker ps – List running containers
• docker images – List all images on the system

Building and Publishing Images:

• docker build – Build an image from a Dockerfile
• docker push – Push an image to a registry
• docker pull – Pull an image from a registry

Networking:

• docker network create – Create a new network
• docker network connect – Connect a container to a network
• docker network disconnect – Disconnect a container from a network

Managing Volumes:

• docker volume create – Create a new volume
• docker volume rm – Remove a volume
• docker volume ls – List all volumes
• docker volume inspect – Inspect a volume

Docker Compose:

• docker-compose up – Start all services defined in a Compose file
• docker-compose down – Stop all services defined in a Compose file
• docker-compose build – Build images for all services defined in a Compose file
• docker-compose ps – List all running services defined in a Compose file

Logs and Events

• docker logs – Fetch the logs of a container
• docker events – Get real-time events from the server

Advanced Commands

• docker exec – Run a command in a running container
• docker attach – Attach to a running container
• docker cp – Copy files/folders between a container and the local filesystem
• docker diff – Inspect changes on a container’s filesystem

Tips

• -t flag – Allocates a pseudo-TTY
• -i flag – Keeps stdin open even if not attached
• -d flag – Run container in detached mode
• --name option – Assign a name to the container
• -p option – Publish a container’s port(s) to the host
• -v option – Mount a volume
• --rm option – Automatically remove the container when it exits

Please note that this is a basic cheat sheet, there are many more commands and options available in Docker. This is just a quick reference to get you started.