uptime-kuma: persist caddy data and config

uptime-kuma/docker-compose.yml

@@ -1,5 +1,9 @@
 version: '3'
 
+volumes:
+  data:
+  config:
+
 services:
   uptime-kuma:
     container_name: uptime-kuma
@@ -16,6 +20,8 @@ services:
     restart: unless-stopped
     volumes:
       - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - data:/data
+      - config:/config
     ports:
       - 80:80
       - 443:443