added a help system, replaced the words "tenant" and "Pwa" with better alternatives. corrected and implemented cron jobs. prepared going live on a coolify-powered system.

docs/deployment/docker.md

@@ -2,6 +2,8 @@
 
 This guide describes the recommended, repeatable way to run the Fotospiel platform in Docker for production or high-fidelity staging environments. It pairs a multi-stage build (PHP-FPM + asset pipeline) with a Compose stack that includes Nginx, worker processes, Redis, and MySQL.
 
+> **Coolify users:** see `docs/deployment/coolify.md` for service definitions, secrets, and how to wire the same containers (web, queue, scheduler, vsftpd) inside Coolify. That document builds on the base Docker instructions below.
+
 ## 1. Prerequisites
 
 - Docker Engine 24+ and Docker Compose v2.
@@ -106,4 +108,3 @@ Because the app image keeps the authoritative copy of the code, each container r
 - Hook into your observability stack (e.g., ship container logs to Loki or ELK).
 
 With the provided configuration you can bootstrap a consistent Docker-based deployment across environments while keeping queue workers, migrations, and asset builds manageable. Adjust service definitions as needed for staging vs. production.
-