add docker compose example

Readme.md

@@ -2,7 +2,30 @@
 
 A Discord bot to check the status of your server in different gamedig supported games, as requested by [onemanarmy](https://www.superinfantryclan.com/)
 
-set the config to the correct info in a config.txt next to this executable to use:
+
+## Using the bot
+
+You can run it with Docker (Docker Compose):
+
+```docker
+services:
+  ace-bot-1:
+    image: ghcr.io/community-network/gamedig-bot/server-bot-rust:latest
+    restart: always
+    environment:
+      - token=TOKEN
+      - game=rust
+      - server_ip=194.163.156.99
+      - server_port=28016
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://127.0.0.1:3030/"]
+      interval: "60s"
+      timeout: "3s"
+      start_period: "5s"
+      retries: 3
+```
+
+or set the config to the correct info in a config.txt next to this executable to use:
 
 ```yaml
 # discord bot token
@@ -13,4 +36,4 @@ game = 'rust'
 server_ip = '194.163.156.99'
 # and queryport
 server_port = 28016
-```
+```