fix: Fixes caddy not being on the proxy network.

compose.yaml

@@ -21,9 +21,15 @@ services:
       - ./config:/etc/caddy:z
       - caddy_data:/data
       - caddy_config:/config
+    networks:
+      - proxy
     security_opt:
       - no-new-privileges:true
 
 volumes:
   caddy_data: {}
   caddy_config: {}
+
+networks:
+  proxy:
+    external: true