Added form field for network interface to pihole

apps/pihole/config.json

@@ -22,6 +22,12 @@
       "min": 3,
       "required": true,
       "env_variable": "APP_PASSWORD"
+    }, 
+    {
+      "type": "ip",
+      "label": "Network Interface (use 0.0.0.0 for all)",
+      "required": true,
+      "env_variable": "NW_INTERFACE"
     }
   ]
 }

apps/pihole/docker-compose.yml

@@ -21,8 +21,8 @@ services:
       - 127.0.0.1
       # - 10.21.21.200 # Points to unbound
     ports:
-      - 53:53/tcp
-      - 53:53/udp
+      - ${NW_INTERFACE}:53:53/tcp
+      - ${NW_INTERFACE}:53:53/udp
       - ${APP_PORT}:80
     volumes:
       - ${APP_DATA_DIR}/data/pihole:/etc/pihole