Docker CLI Quick Reference Guide

General Commands

Command Description
docker -d Start the docker daemon
docker --help Get help with Docker (can also use --help on all subcommands)
docker info Display system-wide information

Images

Command Description
docker build -t <image_name> . Build an image from a Dockerfile
docker build -t <image_name> . --no-cache Build an image without using cache
docker images List local images
docker rmi <image_name> Delete an image
docker image prune Remove all unused images

Docker Hub

Command Description
docker login -u <username> Login to Docker Hub
docker push <username>/<image_name> Publish an image to Docker Hub
docker search <image_name> Search Hub for an image
docker pull <image_name> Pull an image from Docker Hub

Containers

Command Description
docker run --name <container_name> <image_name> Create and run a container with a custom name
docker run -p <host_port>:<container_port> <image_name> Run a container and publish port(s) to the host
docker run -d <image_name> Run a container in the background
docker start|stop <container_name> Start or stop an existing container
docker rm <container_name> Remove a stopped container
docker exec -it <container_name> sh Open a shell inside a running container
docker logs -f <container_name> Fetch and follow the logs of a container
docker inspect <container_name> Inspect a running container
docker ps List currently running containers
docker ps --all List all containers (running and stopped)
docker container stats View resource usage stats

Overview

Docker provides the ability to package and run applications in isolated environments called containers. Containers are lightweight, include everything needed to run the application, and ensure consistent behavior across different environments.

Key Concepts:

Installation

Docker Desktop is available for Mac, Linux, and Windows at https://docs.docker.com/desktop

For more information: