Phillip Tarrant f9f90d408e chore: phase 6 hardening — CSP/HSTS, access log, docker, backup, CI ...

Ships the cross-cutting hardening set:

- SecurityHeadersMiddleware: per-request nonce-based CSP, HSTS
  (production only), Referrer-Policy, Permissions-Policy,
  X-Content-Type-Options, frame-ancestors 'none', form-action 'self'.
- AccessLogMiddleware: one http_request INFO event per request
  (method/path/status/duration_ms/ip/ua). Skips /healthz, redacts
  /admin/auth/consume/<token> paths, logs 500 + re-raises on
  downstream exceptions.
- Public base.html inline nav-toggle script gets a nonce so it
  passes strict CSP without relaxing to 'unsafe-inline'.
- Dockerfile: non-root app user (uid/gid 10001) + stdlib-only
  HEALTHCHECK against /healthz.
- scripts/backup.sh: sqlite3 .backup + tar data/media with
  14-entry retention; host-side cron install documented.
- .gitea/workflows/build-image.yml: on push to master /
  workflow_dispatch, builds and publishes
  git.sneakygeek.net/ptarrant/chicken_babies_site:latest +
  sha-<short>, with GIT_COMMIT_SHA threaded as a build-arg so
  /healthz keeps reporting the right commit in deployed images.
- 8 new tests (security headers + access log).

Pre-existing dev failures (logo asset rename + RESEND env
pollution) remain unchanged; verified not Phase 6 regressions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-22 07:38:23 -05:00

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