feat: enable caddy metrics

Caddyfile

@@ -3,6 +3,10 @@
         output stdout
         format json
     }
+
+    servers {
+        metrics
+    }
 }
 
 # Grafana

service.yml

@@ -8,6 +8,8 @@ ports:
     container: 52052
   - host: 53001
     container: 53001
+  - host: 2019
+    container: 2019
 volumes:
   - name: caddy-data
   - name: caddy-config