Optimized collabora draft

roles/web-svc-collabora/README.md

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+# Docker Collabora (DRAFT)
+
+## Description
+
+This Ansible role deploys Collabora Online (CODE) in Docker to enable real-time, in-browser document editing for Nextcloud. It automates the setup of the Collabora CODE container, Nginx reverse proxy configuration, network isolation via Docker networks, and environment variable management.
+
+## Overview
+
+* **Dockerized Collabora CODE:** Uses the official `collabora/code` image.
+* **Nginx Reverse Proxy:** Configures a public-facing proxy with TLS termination and WebSocket support for `/cool/` paths.
+* **Docker Network Management:** Creates an isolated `/28` subnet for Collabora and connects containers securely.
+* **Environment Configuration:** Generates a `.env` file with domain, credentials, and extra parameters for Collabora's WOPI server.
+
+## Features
+
+* Automatic creation of a dedicated Docker network for Collabora.
+* Proxy configuration template for Nginx with long timeouts and WebSocket upgrades.
+* Customizable domain names and ports via Ansible variables.
+* Support for SSL termination at the proxy level.
+* Integration hooks to restart Nginx and recreate Docker Compose stacks on changes.
+
+## Documentation
+
+See the role’s `README.md`, task files, and Jinja2 templates in the `roles/web-svc-collabora` directory for usage examples and variable definitions.
+
+## Further Resources
+
+* [Collabora & Talk Super integration demo](https://www.youtube.com/watch?v=7cRmvTyt1ik)
+* [Collabora configuration examples archive](https://cloud.thesysadminhub.com/s/FNKyP43y35HGDTJ?dir=/&openfile=true)
+* [Official Collabora CODE website](https://www.collaboraoffice.com/code/)