- Pin alpine:3.20 by SHA digest in all Dockerfiles (Pinned-Dependencies)
- Add cosign keyless signing for Docker images and binary (Signed-Releases)
- Enable branch protection: strict status checks, linear history, no force push
- Add .sig and .pem to GitHub Release assets
- Run tests on PR and push
- Build multi-arch images (amd64, arm64)
- Push to ghcr.io on main branch and tags
- Auto-create GitHub Release on version tags
- Use BuildKit cache for faster builds