Clean up README.md

README.md

@@ -1,4 +1,6 @@
 # UniFi Guest Portal
+[![CC-BY-4.0](https://img.shields.io/github/license/carlgo11/guest-portal?style=for-the-badge)](LICENSE)
+[![Docker](https://img.shields.io/docker/image-size/carlgo11/guest-portal?style=for-the-badge)](https://hub.docker.com/r/carlgo11/guest-portal/)
 
 ## Usage
 
@@ -12,16 +14,39 @@ Optionally, add some background images:
 docker run -p 80:80 -v $(pwd)/bg.webp:/opt/www/img/bg.webp -v $(pwd)/bg.jpg:/opt/www/img/bg.jpg carlgo11/guest-portal
 ```
 
-## Environment variables
+### Environment variables
 
 |Name|Default|Description|Example|
 |----|-------|-----------|-------|
-|UNIFI_USER| |UniFi Hotspot username|api
+|UNIFI_USER| |UniFi Hotspot username|guest-portal
 |UNIFI_PASSWORD| |UniFi Hotspot password|password
-|UNIFI_URL| |UniFi Controller IP/URL & port|https://192.168.1.2:8443
+|UNIFI_URL| |UniFi Controller IP/URL & port|<https://192.168.1.2:8443>
 |UNIFI_SITE|default|UniFi Site|default
 |UNIFI_VERSION| |Controller version|5.13.32
 
+### Docker Compose
+
+Here's a template docker-compose.yml file:
+
+```YAML
+version: '3.1'
+services:
+  guest-portal:
+    image: carlgo11/guest-portal
+    ports:
+      - 8080:80
+    environment:
+      - UNIFI_USER=guest-portal
+      - UNIFI_PASSWORD=abc123
+      - UNIFI_URL=https://192.168.1.2:8443
+      - UNIFI_SITE=default
+      - UNIFI_VERSION=5.13.32
+    volumes:
+      - ./bg.jpg:/opt/www/img/bg.jpg
+      - ./bg.webp:/opt/www/img/bg.webp
+    restart: on-failure
+```
+
 ## License
 
 This work is licensed under the Creative Commons Attribution 4.0 International License.