add dokcer compose and usage

README.md

@@ -7,7 +7,7 @@ Simple Node.js Service to check and update your Cloudfalre DNS records whenever
 
 ## Usage:
 Make a config.json file with all info (in root dir of app).
-```
+```json
 {
     "auth":{
         // Create a token with Edit DNS permission: https://developers.cloudflare.com/fundamentals/api/get-started/create-token/
@@ -26,3 +26,16 @@ Make a config.json file with all info (in root dir of app).
     "internalInMinutes": 5
 }
 ```
+### Docker Compose
+```yaml
+version: '3'
+
+services:
+  cloudfalre-updater:
+    image: ghcr.io/rohit267/cloudfalre-node-ddns:latest
+    container_name: cloudfalre-updater
+    restart: unless-stopped
+    volumes:
+      - ./config.json:/app/config.json
+
+```

docker-compose.yaml

@@ -0,0 +1,9 @@
+version: '3'
+
+services:
+  cloudfalre-updater:
+    image: ghcr.io/rohit267/cloudfalre-node-ddns:latest
+    container_name: cloudfalre-updater
+    restart: unless-stopped
+    volumes:
+      - ./config.json:/app/config.json