feat: add packaging, deployment, error pages, and project docs
Phase 7 — Polish:
- Error page template with styled 404/403/500 pages
- Error rendering helper on Renderer
Phase 8 — Packaging & Deployment:
- Containerfile: multi-stage build, non-root user, health check,
OCI labels with build date and git revision
- Makefile: build, test, cross-compile, deb, rpm, container,
tarballs, checksums targets
- nfpm.yaml: .deb and .rpm package config
- systemd service: hardened with NoNewPrivileges, ProtectSystem,
ProtectHome, PrivateTmp, RestrictSUIDSGID
- Default environment file with commented examples
- postinstall/preremove scripts (shellcheck validated)
- compose.yaml: example Podman/Docker Compose
- Caddyfile.example: subdomain, subpath, and remote proxy configs
- CHANGELOG.md for release notes
- CLAUDE.md with architecture, conventions, and quick reference
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>