Welcome to our comprehensive Docker cheat sheet! In this article, we have compiled a comprehensive list of essential Docker commands that every developer and DevOps enthusiast should know. Whether you are new to Docker or an experienced user, this cheat sheet will serve as your go-to reference for managing Docker images, working with Docker Compose, utilizing volumes, harnessing the power of Docker Swarm, managing Docker registries, building images, executing commands inside containers, performing clean-up operations, and configuring networking.

Docker Basics

docker pull <image>	download a Docker image from a repository
docker images	list all Docker images on your system
docker ps	list all running Docker containers
docker run <image>	start a new Docker container from an image
docker stop <container>	stop a running Docker container
docker rm <container>	remove a stopped Docker container
docker rmi <image>	remove a Docker image from your system

Dockerfile

FROM: specify the base image to use in a Dockerfile
RUN: run a command during the build process of a Docker image
CMD: specify the default command to run when a container is started
EXPOSE: specify the port on which a container listens
COPY: copy files or directories from the build context to the container
WORKDIR: set the working directory for the container
ENV: set an environment variable for the container

Docker Images

docker images: list all Docker images on your system
docker image inspect <image>: inspect the details of a Docker image
docker image history <image>: show the history of a Docker image
docker image rm <image>: remove a Docker image from your system
docker image tag <source-image> <new-image-name>: tag a Docker image with a new name and/or tag

Docker Compose

docker-compose up: start the services defined in a docker-compose.yml file
docker-compose down: stop the services defined in a docker-compose.yml file
docker-compose build: build the Docker images defined in a docker-compose.yml file
docker-compose ps: list the running containers for services defined in a docker-compose.yml file

Docker Volumes

docker volume create <name>: create a new Docker volume
docker volume ls: list all Docker volumes on your system
docker volume inspect <name>: inspect the details of a Docker volume
docker run -v <name>:<path>: attach a Docker volume to a container
docker run -v <host-path>:<container-path>: mount a host directory as a Docker volume

Docker Swarm

docker swarm init: initialize a new Docker Swarm cluster
docker swarm join: join a Docker Swarm cluster
docker node ls: list all nodes in a Docker Swarm cluster
docker service create: create a new Docker service
docker service ls: list all Docker services in a Swarm cluster
docker service ps <service>: list the tasks for a Docker service
docker service scale <service>=<num-replicas>: scale a Docker service to a specified number of replicas

Docker Registry

docker login: login to a Docker registry
docker logout: log out from a Docker registry
docker push <image>: push a Docker image to a registry
docker pull <image>: pull a Docker image from a registry
docker tag <source-image> <registry>/<repo>:<tag>: tag a Docker image for a registry

Docker Logs

docker logs <container>: display the logs of a running container
docker logs -f <container>: follow the logs of a running container in real-time
docker logs --tail <number> <container>: display the last n lines of a container's logs

Docker Exec

docker exec -it <container> <command>: run a command inside a running container
docker exec -it <container> sh: open a shell session inside a running container

Docker Build

docker build -t <image-name> .: build a Docker image from a Dockerfile in the current directory and tag it with the given name

Docker Clean-up

docker system prune: remove all stopped containers, unused networks, dangling images and caches
docker container prune: remove all stopped containers
docker image prune: remove all unused images
docker volume prune: remove all unused volumes
docker network prune: remove all unused networks

Networking

docker network create <name>: create a new Docker network
docker network ls: list all Docker networks on your system
docker network inspect <name>: inspect the details of a Docker network
docker run --network <name>: attach a container to a Docker network
docker run -p <host-port>:<container-port>: publish a container's port to the host
docker run --expose <port>: expose a port from the container to other linked containers

With step-by-step explanations and practical examples, this cheat sheet will help you navigate the vast Docker ecosystem with ease. Whether you're a developer, system administrator, or anyone working with Docker, this cheat sheet is a valuable resource that will boost your productivity and help you master the essential Docker commands.

So, dive in and explore the world of Docker with our comprehensive cheat sheet. From beginner to pro, this guide will equip you with the knowledge and commands you need to effectively work with Docker and streamline your containerization workflow.

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— Happy Learning !!!

The Complete Docker Cheat Sheet: A Handy Reference for Docker Images, Compose, Volumes, and More