docker

name	docker
description	Container platform CLI - build images, run containers, manage compose stacks, volumes, networks. Use when user mentions 'docker', 'container', 'docker compose', or wants to manage containers.
category	devtools
install_command	brew install docker

docker

Setup

macOS:

brew install docker

Or download Docker Desktop from https://docker.com

Verify installation:

docker --version

Resources

Containers

Command	Description
docker run <image>	Run a container from an image
docker run -d -p 8080:80 --name myapp nginx	Run detached with port mapping and name
docker run -it --rm ubuntu bash	Run interactive container and remove on exit
docker run -v $(pwd):/app -w /app node:20 npm start	Run with volume mount and working directory
docker run --env-file .env <image>	Run with environment variables from file
docker ps	List running containers
docker ps -a	List all containers including stopped
docker stop <container>	Stop a running container
docker rm <container>	Remove a stopped container
docker rm -f <container>	Force remove a running container
docker exec -it <container> bash	Open a shell in a running container
docker exec <container> <command>	Execute a command in a running container
docker logs <container>	View container logs
docker logs -f <container>	Follow container logs in realtime
docker logs --tail 100 <container>	Show last 100 lines of logs

Images

Command	Description
docker build -t myapp .	Build an image from Dockerfile
docker build -t myapp:v1 -f Dockerfile.prod .	Build with tag and custom Dockerfile
docker images	List local images
docker pull <image>	Pull an image from registry
docker push <image>	Push an image to registry
docker rmi <image>	Remove a local image
docker tag <image> <new-tag>	Tag an image

Docker Compose

Command	Description
docker compose up	Start all services defined in compose file
docker compose up -d	Start services in detached mode
docker compose up --build	Rebuild images before starting
docker compose down	Stop and remove containers, networks
docker compose down -v	Stop and remove including volumes
docker compose build	Build or rebuild services
docker compose ps	List running compose services
docker compose logs -f	Follow logs for all services
docker compose exec <service> bash	Open a shell in a service container
docker compose pull	Pull latest images for services

Volumes and Networks

Command	Description
docker volume ls	List all volumes
docker volume create <name>	Create a named volume
docker volume rm <name>	Remove a volume
docker volume prune	Remove unused volumes
docker network ls	List all networks
docker network create <name>	Create a network
docker network rm <name>	Remove a network

System

Command	Description
docker system prune	Remove unused data (containers, images, networks)
docker system prune -a --volumes	Remove all unused data including volumes
docker system df	Show disk usage

Global Flags

Flag	Description
--format	Format output using Go templates or json
--quiet	Only display IDs
--no-trunc	Do not truncate output