feat(deploy): add docker app+mysql stack for coolify

rebuild-progress.md

@@ -149,6 +149,16 @@
 - [ ] Run parity QA on tone handling, insert/copy behavior, and API limits.
 - [ ] Prepare migration + rollback checklist (DNS/host switch, redirects, monitoring).
 
+### Phase 10 - Deployment hardening (Coolify/ops)
+- [x] Define single-stack deployment template (app + mysql) in the same destination/network.
+- [x] Add startup sequence for server deployment:
+  - wait for DB readiness
+  - run migrations automatically (idempotent)
+  - start web server
+- [ ] Keep local/dev simple with SQLite profile; keep staging/prod profile on MySQL.
+- [ ] Add deployment runbook with minimum required env vars and health verification steps.
+- [ ] Add post-deploy smoke checks (`/`, `/v1/health`, `/v1/emojis`, `/robots.txt`, `/sitemap.xml`).
+
 ## Recent implementation update
 
 - Added new API endpoints in rebuild:
@@ -179,6 +189,10 @@
   - `/sitemap.xml` route generated from dataset
   - meta/OG/Twitter fields in shared layout
   - JSON-LD blocks on `/pricing`, `/support`, `/api-docs`, and emoji detail page
+- Added Docker deployment baseline for one-pack deployment:
+  - `docker-compose.yml` (Laravel app + MySQL 8 with healthcheck + persistent volumes)
+  - `app/Dockerfile` (build Vite assets + Composer deps, serve via Apache)
+  - `app/docker/entrypoint.sh` (DB wait + auto-migrate + startup)
 
 ## Live audit highlights (reference)