Image Registry in Docker
From the Docker cheat sheet · Image Management · verified Jul 2026
Image Registry
Work with Docker registries and manage image distribution
bash
# Login to registry
docker login
docker login docker.io
docker login -u user -p pass registry.io
# Logout
docker logout
docker logout registry.io
# Search images
docker search nginx
docker search --limit 10 nginx
docker search --filter stars=100 nginx
# Registry operations
docker pull registry.io/namespace/image:tag
docker push registry.io/namespace/image:tag
# Local registry
docker run -d -p 5000:5000 --name registry registry:2
docker tag myapp localhost:5000/myapp
docker push localhost:5000/myapp🔒 Always use HTTPS for production registries
💡 Tag images with registry URL
📌 Local registry useful for testing
✅ Implement authentication for private registries