DevOps Domain Skill

Docker

Quick Commands

docker build -t myapp:v1.0.0 .                          # Build image
docker build --target production -t myapp:prod .         # Multi-stage build
docker run --cpus=0.5 --memory=512m myapp:v1.0.0         # Run with limits
docker history myapp:v1.0.0                              # Inspect layers
docker image prune -f                                    # Remove dangling
docker logs -f --tail=100 container_id                   # Tail logs