Docker Basics Cheat Sheet

Check Docker Version

Display Docker version information.

docker --version

Detailed version and system info:

docker version
docker info

Run a Container

Run a container from an image.

docker run <image-name>

Run in detached mode:

docker run -d <image-name>

Run with custom name:

docker run --name my-container <image-name>

Run with port mapping:

docker run -p 8080:80 nginx

List Containers

Show running containers.

docker ps

Show all containers including stopped:

docker ps -a

Show only container IDs:

docker ps -q

List Images

Display all local images.

docker images

Alternative command:

docker image ls

Pull an Image

Download image from Docker Hub.

docker pull <image-name>

Pull specific version:

docker pull ubuntu:20.04

Build an Image

Build image from Dockerfile.

docker build -t <image-name> .

Build with specific Dockerfile:

docker build -f Dockerfile.dev -t my-image .

Execute Commands in Container

Run command in running container.

docker exec <container-id> <command>

Interactive shell access:

docker exec -it <container-id> /bin/bash

View Container Logs

Display container logs.

docker logs <container-id>

Follow log output:

docker logs -f <container-id>

Show last N lines:

docker logs --tail 100 <container-id>

Stop a Container

Gracefully stop running container.

docker stop <container-id>

Force stop:

docker kill <container-id>

Remove Container

Delete stopped container.

docker rm <container-id>

Force remove running container:

docker rm -f <container-id>

Remove Image

Delete image from local system.

docker rmi <image-id>

Force remove:

docker rmi -f <image-id>

Search Images

Search Docker Hub for images.

docker search <term>

Inspect Container

View detailed container information.

docker inspect <container-id>

Container Stats

Display resource usage statistics.

docker stats

Stats for specific container:

docker stats <container-id>