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Your container registry is more than storage. It is the bridge from your code to your deployment. Treat it as infrastructure.
Stop using the :latest tag. It is unclear. It makes rollbacks hard. Use immutable tags. Use git commit SHAs or version numbers. This makes every build traceable.
Speed up builds with caching. Proxy base images. This saves time and money.
Scan images for vulnerabilities. Block critical issues before they hit production. Move security to the start of your pipeline.
Keep images small. Use multi-stage builds. Use distroless images. Small images pull faster. They have fewer security holes.
Sign images with cosign. Verify signatures before you deploy. This protects your supply chain.
Clean up old images. Set retention policies. Keep only the latest versions. This stops costs from growing.
Engineering is about managing complexity.
- Keep teams small.
- Write things down.
- Use design documents.
- Prioritize simplicity.
Build systems easy to change. The best code is code you remove safely.