DockerCheatSheet: A Comprehensive Guide to Docker Commands

Introduction

The DockerCheatSheet repository by eon01 is an incredibly popular and well-maintained resource for anyone working with Docker. With thousands of stars and forks, it serves as a quick and comprehensive reference guide for various Docker commands and concepts. This cheat sheet is an adaptation of content from the 'Painless Docker' (2nd edition) guide, making it a reliable source for practical Docker knowledge.

Getting Started with Docker

To begin interacting with Docker registries and images, here are some fundamental commands:

Login to Docker Registry

docker login
docker login localhost:8080

Search for Docker Images

docker search nginx
docker search --filter stars=3 --no-trunc nginx

Pull Docker Images

docker image pull nginx
docker image pull eon01/nginx localhost:5000/myadmin/nginx

Build Docker Images

docker build .
docker build -t eon/infinite .

Key Docker Commands

The DockerCheatSheet covers a wide array of commands, making it easy to manage your Docker environment.

Container Management

Create and Run a Container

docker container run --name infinite -it -p 3000:80 -v ${PWD}:/data ubuntu:latest

Start and Stop Containers

docker container start nginx
docker container stop nginx

Remove a Container

docker container rm infinite

List Active Containers

docker container ls
docker container ls -a

Docker Networking

Create a Network

docker network create -d overlay MyOverlayNetwork

Connect a Container to a Network

docker network connect MyOverlayNetwork nginx

Docker Swarm

Initialize Docker Swarm

docker swarm init --advertise-addr 192.168.10.1

Create a Service

docker service create --name vote -p 8080:80 instavote/vote

Docker Compose

Start Services in Background

docker compose up -d

Stop and Remove Containers

docker compose down

Docker Cleanup

Remove All Exited Containers

docker container rm $(docker container ls -a -f status=exited -q)

Prune Unused Docker Data

docker system prune -f

Why Use This Cheat Sheet?

This Docker cheat sheet is an essential tool for anyone working with containerization. It provides a quick, organized, and comprehensive reference for frequently used Docker commands, saving valuable time during development and operations. Whether you are a beginner learning Docker or an experienced professional needing a quick reminder, this repository helps streamline your workflow and reinforce your understanding of Docker's vast capabilities. Its clear structure and practical examples make it an excellent companion for daily Docker tasks.

Useful Links

• GitHub Repository: eon01/DockerCheatSheet
• Source Material: Painless Docker (2nd edition)