Container Registries

Summary

Storing and distributing Docker images — Docker Hub is the public default, while private registries (ECR, GCR, self-hosted) are used for proprietary images in real production environments.

How to Learn This

1Push an image you've built to a registry (Docker Hub or a free-tier private registry).
2Learn to tag images meaningfully (version numbers, not just `latest`) before pushing.
3Understand why private registries matter for any non-open-source application.

Multi-Stage Builds

Container Security Basics

More topics in Containers & Docker

Docker Fundamentals Dockerfile Best Practices Docker Images & Layers Docker Compose Container Networking Container Volumes & Storage Multi-Stage Builds Container Security Basics

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