fix: Update staging docker-compose to share production DB

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker-compose.staging.yml

@@ -1,16 +1,15 @@
-version: '3.8'
-
 services:
   frontend-staging:
     build:
       context: ./frontend
       dockerfile: Dockerfile
+      args:
+        - NEXT_PUBLIC_API_URL=http://192.168.0.202:8001
     container_name: autonet-frontend-staging
     ports:
       - "3001:3000"
     environment:
       - NODE_ENV=staging
-      - NEXT_PUBLIC_API_URL=http://192.168.0.202:8001
     depends_on:
       - backend-staging
     restart: unless-stopped
@@ -26,11 +25,9 @@ services:
       - "8001:8000"
     environment:
       - ENV=staging
-      - DATABASE_URL=sqlite:///./autonet_staging.db
     volumes:
       - ./backend/uploads:/app/uploads
-      - backend-staging-data:/app/data
+      - /opt/autonet/production/backend/autonet.db:/app/autonet.db
-      - ./backend/.env:/app/.env:ro
     restart: unless-stopped
     networks:
       - autonet-staging
@@ -38,7 +35,3 @@ services:
 networks:
   autonet-staging:
     name: autonet-staging-network
-
-volumes:
-  backend-staging-data:
-    name: autonet-backend-staging-data