chore(docker): replace BFF direct DB vars with microservice HTTP proxy URLs

- Remove BFF_DB_HOST/PORT/USER/PASS env vars (no more direct DB access)
- Add 9 {ServiceName}__BaseUrl env vars for HTTP proxy pattern
- BFF now communicates via internal Docker network to microservices

deployments/local/docker-compose.yml

@@ -1288,12 +1288,17 @@ services:
       - ReverseProxy__Clusters__merchant-cluster__Destinations__destination1__Address=http://merchant-service-net:8080
       - ReverseProxy__Clusters__catalog-cluster__Destinations__destination1__Address=http://catalog-service-net:8080
       - ReverseProxy__Clusters__order-cluster__Destinations__destination1__Address=http://order-service-net:8080
-      # EN: BFF Data Controller — Direct DB queries for dashboard data
-      # VI: BFF Data Controller — Truy vấn DB trực tiếp cho dữ liệu dashboard
-      - BFF_DB_HOST=postgres
-      - BFF_DB_PORT=5432
-      - BFF_DB_USER=goodgo
-      - BFF_DB_PASS=goodgo-local-2024
+      # EN: BFF HTTP Proxy — Forward requests to microservice APIs
+      # VI: BFF HTTP Proxy — Chuyển tiếp request sang microservice APIs
+      - MerchantService__BaseUrl=http://merchant-service-net:8080
+      - CatalogService__BaseUrl=http://catalog-service-net:8080
+      - OrderService__BaseUrl=http://order-service-net:8080
+      - InventoryService__BaseUrl=http://inventory-service-net:8080
+      - MembershipService__BaseUrl=http://membership-service-net:8080
+      - WalletService__BaseUrl=http://wallet-service-net:8080
+      - PromotionService__BaseUrl=http://promotion-service-net:8080
+      - BookingService__BaseUrl=http://booking-service-net:8080
+      - FnbEngine__BaseUrl=http://fnb-engine-net:8080
     ports:
       - "3001:8080"
     depends_on: