Optimized .mds and meta/main.yml for update roles

roles/update-docker/README.md

@@ -1,5 +1,27 @@
-# Update-Docker Role
+# Update Docker
 
-This Ansible role is used to update Docker Compose instances. It includes a Python script that checks for updates to Docker images and applies them if necessary.
+## Description
 
+This role updates Docker Compose instances by checking for changes in Docker image digests and applying updates if necessary. It utilizes a Python script to handle git pulls and Docker image pulls, and rebuilds containers when changes are detected.
+
+## Overview
+
+The role performs the following:
+- Deploys a Python script to check for Docker image updates.
+- Configures a systemd service to run the update script.
+- Restarts the Docker update service upon configuration changes.
+- Supports additional procedures for specific Docker applications (e.g., Discourse, Mastodon, Nextcloud).
+
+## Purpose
+
+The role is designed to ensure that Docker images remain current by automatically detecting changes and rebuilding containers as needed. This helps maintain a secure and efficient container environment.
+
+## Features
+
+- **Docker Image Monitoring:** Checks for changes in image digests.
+- **Automated Updates:** Pulls new images and rebuilds containers when necessary.
+- **Service Management:** Configures and restarts a systemd service to handle updates.
+- **Application-Specific Procedures:** Includes hooks for updating specific Docker applications.
+
+## Credits
 It was created with the help of ChatGPT. The conversation is available [here](https://chat.openai.com/share/165418b8-25fa-433b-baca-caded941e22a)