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 |
