- Always build base image first (with cache for speed)
- If base exists in registry, uses cache (~30 sec)
- If base doesn't exist, builds from scratch (~10 min)
- Then builds and pushes application image
- Self-healing: no manual intervention needed
Pipeline flow:
1. build-base-image (always, with cache)
2. build-image (app)
3. push-image (with multi-tags)
4. verify-push
5. notify
First run: ~12 minutes (base + app)
Subsequent: ~3 minutes (cached base + app)
