docker-help.md

Complete List of docker Commands with Explanations

Overview

docker is the command-line tool for interacting with Docker containers. It allows you to build, run, manage, and troubleshoot containerized applications.

General Syntax

docker [COMMAND] [OPTIONS]

To see the full list of commands, run:

docker --help

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1. Docker Container Management Commands

Command	Description	Example
docker run	Run a new container	docker run -d nginx
docker start	Start a stopped container	docker start my-container
docker stop	Stop a running container	docker stop my-container
docker restart	Restart a container	docker restart my-container
docker rm	Remove a container	docker rm my-container
docker ps	List running containers	docker ps -a
docker logs	View logs of a container	docker logs my-container
docker exec	Run a command inside a running container	docker exec -it my-container sh
docker inspect	Show detailed information about a container	docker inspect my-container
docker top	Display running processes in a container	docker top my-container

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2. Docker Image Management Commands

Command	Description	Example
docker images	List available images	docker images
docker pull	Download an image from Docker Hub	docker pull nginx
docker push	Upload an image to a registry	docker push myrepo/myimage
docker rmi	Remove an image	docker rmi my-image
docker build	Build an image from a Dockerfile	docker build -t myimage .
docker tag	Tag an image	docker tag myimage myrepo/myimage:v1
docker save	Save an image to a tar file	docker save -o myimage.tar myimage
docker load	Load an image from a tar file	docker load -i myimage.tar

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3. Docker Network Management Commands

Command	Description	Example
docker network ls	List networks	docker network ls
docker network create	Create a new network	docker network create my-network
docker network inspect	View network details	docker network inspect my-network
docker network connect	Connect a container to a network	docker network connect my-network my-container
docker network disconnect	Disconnect a container from a network	docker network disconnect my-network my-container
docker network rm	Remove a network	docker network rm my-network

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4. Docker Volume Management Commands

Command	Description	Example
docker volume ls	List volumes	docker volume ls
docker volume create	Create a volume	docker volume create my-volume
docker volume inspect	View details of a volume	docker volume inspect my-volume
docker volume rm	Remove a volume	docker volume rm my-volume
docker volume prune	Remove unused volumes	docker volume prune

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5. Docker System & Prune Commands

Command	Description	Example
docker system df	Show disk usage by Docker	docker system df
docker system prune	Remove unused resources	docker system prune -a
docker system info	Show system-wide Docker information	docker system info
docker stats	Show live container resource usage	docker stats
docker events	Get real-time events from the Docker daemon	docker events

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6. Docker Compose Commands

Command	Description	Example
docker-compose up	Start services in a Compose file	docker-compose up -d
docker-compose down	Stop and remove Compose services	docker-compose down
docker-compose restart	Restart all services	docker-compose restart
docker-compose logs	View logs of Compose services	docker-compose logs
docker-compose ps	List services managed by Compose	docker-compose ps
docker-compose build	Build or rebuild services	docker-compose build

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7. Docker Security and User Permissions

Command	Description	Example
docker login	Log in to a Docker registry	docker login myregistry.com
docker logout	Log out from a Docker registry	docker logout
docker trust inspect	View image trust data	docker trust inspect myimage
docker trust sign	Sign an image	docker trust sign myrepo/myimage
docker trust revoke	Remove trust for an image	docker trust revoke myrepo/myimage

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8. Docker Debugging & Troubleshooting Commands

Command	Description	Example
docker logs	View container logs	docker logs my-container
docker inspect	View detailed information about an object	docker inspect my-container
docker events	Monitor real-time Docker events	docker events
docker exec	Run a command inside a running container	docker exec -it my-container sh
docker ps -a	List all containers (running and stopped)	docker ps -a

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9. Docker Swarm (Orchestration) Commands

Command	Description	Example
docker swarm init	Initialize a new swarm	docker swarm init
docker swarm join	Join a swarm as a node	docker swarm join --token <TOKEN> <MANAGER-IP>
docker node ls	List swarm nodes	docker node ls
docker service create	Create a new service	docker service create --name myservice nginx
docker service ls	List services in a swarm	docker service ls
docker service ps	List tasks of a service	docker service ps myservice

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Conclusion

This document provides a comprehensive list of docker commands with explanations. Mastering these commands will help you efficiently manage containers, networks, volumes, and Docker Swarm clusters. 🚀