Essential Docker Commands Every Developer Should Know
Docker has revolutionized how we develop and deploy applications. Here are some essential commands that will make your Docker workflow more efficient:
Container Management
# List running containers
docker ps
# List all containers (including stopped)
docker ps -a
# Start a container
docker start container_name
# Stop a container gracefully
docker stop container_name
# Remove a container
docker rm container_name
# Run a container interactively
docker run -it ubuntu bash
Image Management
# List local images
docker images
# Pull an image from Docker Hub
docker pull nginx:latest
# Build an image from Dockerfile
docker build -t my-app:latest .
# Remove an image
docker rmi image_name
# Remove unused images
docker image prune
Useful One-Liners
# Stop all running containers
docker stop $(docker ps -q)
# Remove all stopped containers
docker rm $(docker ps -a -q)
# Remove all unused images, containers, and networks
docker system prune -a
Docker Compose Quick Reference
version: '3.8'
services:
web:
build: .
ports:
- "3000:3000"
environment:
- NODE_ENV=development
volumes:
- .:/app
- /app/node_modules
Run with:
docker-compose up -d
These commands will cover 90% of your daily Docker needs. Master these, and you’ll be containerizing like a pro!
Video Tutorial
Check out this comprehensive Docker tutorial:
Happy containerizing! 🐳