Docker

Commands

• docker ps list running image instances
• docker ps -a list all image instances
• docker images list available images
• docker rm <instance id>
• docker restart <image name> restarts an existing named image.

Docker run

• docker run <image|image-name>
• -it is interactive mode
• -d dettached from terminal
• -p 80:80 port mapping

Volume mapping

docker run -v /opt/datadir:/var/lib/mysql mysql maps the local folder to the container folder to persist data in your computer