devitway c1f6430aa9 security: harden Docker registry and container runtime ...

- Verify blob digest (SHA256) on upload, reject mismatches (DIGEST_INVALID)
- Reject sha512 digests (only sha256 supported)
- Add upload session limits: max 100 concurrent, 2GB per session, 30min TTL
- Bind upload sessions to repository name (prevent session fixation)
- Filter .meta.json from Docker tag list (fix ArgoCD Image Updater recursion)
- Fix catalog to show namespaced images (library/alpine instead of library)
- Add security headers: CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy
- Run containers as non-root user (USER nora) in all 3 Dockerfiles
- Add configurable NORA_MAX_UPLOAD_SESSIONS and NORA_MAX_UPLOAD_SESSION_SIZE_MB

2026-03-19 08:29:28 +00:00

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