add networks configuration for frontend and backend services in docker-compose

docker-compose.yml

@@ -1,6 +1,9 @@
 services:
   usr-frontend_v2:
     container_name: borrow_system-usr-frontend
+    networks:
+      - proxynet
+      - borrow_system-internal
     build: ./FrontendV2
     ports:
       - "8101:80"
@@ -8,6 +11,9 @@ services:
 
   admin-frontend:
     container_name: borrow_system-admin-frontend
+    networks:
+      - proxynet
+      - borrow_system-internal
     build: ./admin
     ports:
       - "8103:80"
@@ -15,6 +21,9 @@ services:
 
   backend_v2:
     container_name: borrow_system-backend_v2
+    networks:
+      - proxynet
+      - borrow_system-internal
     build: ./backendV2
     ports:
       - "8102:8102"
@@ -30,6 +39,8 @@ services:
 
   mysql_v2:
     container_name: borrow_system-mysql-v2
+    networks:
+      - borrow_system-internal
     image: mysql:8.0
     restart: unless-stopped
     environment:
@@ -45,3 +56,9 @@ services:
 volumes:
   mysql-data:
   mysql-v2-data:
+
+networks:
+  proxynet:
+    external: true
+  borrow_system-internal:
+    external: false