Docker Commands

Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. The software that hosts the containers is called Docker Engine.

Docker Guide

Install and Getting Started

• Official Docker: https://docs.docker.com/get-docker/
• Official Portainer: https://docs.portainer.io/start/install/server/docker

Quick Commands

Run a new container

• New Image - docker run IMAGE
• Name Container and Launch Image - docker run --name CONTAINER IMAGE
• Map Container Ports and Launch Image - docker run -p HOSTPORT:CONTAINERPORT IMAGE
• Map ALL Ports and Launch Image - docker run -P IMAGE
• Launch Image as Background Service - docker run -d IMAGE
• Map Local Directory and Launch - docker run -v HOSTDIR:TARGETDIR IMAGE

Manage Containers

• List RUNNING Containers - docker ps
• List ALL containers - docker ps -a
• Delete container - docker rm CONTAINER
• Delete a Running Container - docker rm -f CONTAINER
• Stop Container - docker stop CONTAINER
• Start Container - docker start CONTAINER
• Copy File FROM container - docker cp CONTAINER:SOURCE TARGET
• Copy File TO container - docker cp TARGET CONTAINER:SOURCE
• Start Shell inside container - docker exec -it CONTAINER bash
• Rename container - docker rename OLD NEW
• Create new Image from Container - docker commit CONTAINER

Manage Images

• Download Image - docker pull IMAGE[:TAG]
• Upload Image to repository - docker push IMAGE
• Delete Image - docker rmi IMAGE
• List Images - docker images
• Build Image from Docker file - docker build DIRECTORY
• Tag Image IMAGE - docker tag IMAGE NEWIMAGE:TAG

Troubleshooting and Information

• Show logs - docker logs CONTAINER
• Show stats - docker stats
• Show processes - docker top CONTAINER
• Show modified files - docker diff CONTAINER
• Show mapped ports - docker port CONTAINER