Optimize frontend for production using multi-stage standalone build

docker-compose.yml

@@ -20,6 +20,20 @@ services:
       timeout: 5s
       retries: 5
 
+  pgbouncer:
+    image: edoburu/pgbouncer
+    container_name: pragativeer_pgbouncer
+    environment:
+      - DATABASE_URL=postgres://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - POOL_MODE=transaction
+      - MAX_CLIENT_CONN=1000
+      - DEFAULT_POOL_SIZE=50
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - pragativeer_network
+
   redis:
     image: redis:7-alpine
     container_name: pragativeer_cache
@@ -41,7 +55,7 @@ services:
     ports:
       - "8000:8000"
     environment:
-      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@pgbouncer:5432/pragativeer_prod
       - REDIS_URL=redis://redis:6379/0
       - ENV=development
       - MINIO_ENDPOINT=minio:9000
@@ -65,7 +79,7 @@ services:
     volumes:
       - ./backend:/app
     environment:
-      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@pgbouncer:5432/pragativeer_prod
       - REDIS_URL=redis://redis:6379/0
       - MINIO_ENDPOINT=minio:9000
       - MINIO_ACCESS_KEY=minio_admin
@@ -88,7 +102,7 @@ services:
     volumes:
       - ./backend:/app
     environment:
-      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@pgbouncer:5432/pragativeer_prod
       - REDIS_URL=redis://redis:6379/0
     env_file:
       - ./backend/.env
@@ -101,13 +115,10 @@ services:
   frontend:
     build:
       context: .
-      dockerfile: Dockerfile.dev
+      dockerfile: Dockerfile
     container_name: pragativeer_frontend
     ports:
       - "3000:3000"
-    volumes:
-      - .:/app
-      - /app/node_modules
     environment:
       - NEXT_PUBLIC_API_URL=http://localhost:8000
     depends_on: