update readme

README.md

@@ -3,17 +3,28 @@
 This repo builds and Docker image of [iptv-org/epg](https://github.com/iptv-org/epg).
 The purpose is to make the deployment easier and more suitable for different environments.
 
+The original repository of this image is hosted on https://git.claeyscloud.com/david/epg-info-docker.
+A public mirror is available at https://github.com/davidclaeysquinones/epg-info-docker.
 
 ## Dependencies
 [Node](https://nodejs.org/en)<br>
 [pm2](https://www.npmjs.com/package/pm2)<br>
 [serve](https://www.npmjs.com/package/serve)<br>
 
+The image is based on `node:21-alpine` in order to be more lightweight.
+The `pm2` and `serve` packages are used in order to run the application in the container. 
 ## Docker image
 
 ### Paths
 
 An example `channels.xml` is included by default in the image.<br>
+```xml
+<?xml version="1.0" encoding="UTF-8"?>
+<channels>
+  <channel site="movistarplus.es" lang="es" xmltv_id="24Horas.es" site_id="24H">24 Horas</channel>
+  ...
+</channels>
+```
 However if you want to configure your own channels you need to provide your own configuration file.<br>
 You can do this by creating a mapping in the `/config` folder.
 
@@ -25,3 +36,21 @@ You can do this by creating a mapping in the `/config` folder.
 | DAYS                          | Describes the desired amount of days in the future for for epg retrieval.  | 14               |
 | MAX_CONNECTIONS               | The maximum amount of parallel connections that can be established         | 10               |
 
+### Compose file
+
+```sh
+version: '3.3'
+services:
+  epg:
+    image: git.claeyscloud.com/david/epg-info:latest
+    #image: image: git.claeyscloud.com/david/epg-info:latest:latest
+    volumes:
+      # add a mapping in order to add the channels file
+      - /docker/epg:/config
+    ports:
+      - 6080:3000
+    environment:
+      # specify the time zone for the server
+      - TZ=Etc/UTC
+    restart: unless-stopped
+```