Add network v2

pingvin-share/docker-compose.yml

@@ -9,5 +9,11 @@ services:
       - ${APPDATA_PATH}/pingvin-share/images:/opt/app/frontend/public/img
       - ${DATA_PATH}:/opt/app/backend/data
     ports:
-      - "${PORT}:3000"
+      - ${PORT}:3000
+    networks:
+      - frontend
     restart: unless-stopped
+
+networks:
+  frontend:
+    external: true