Ensure application builds locally within Portainer, avoiding external image pulls

Configures Docker Compose to build the application image locally and prevents image downloads from Docker Hub.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: dec54137-d5a2-4406-8ad4-5f2f9fb110bf
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/e32734b8-3e86-4a0a-ad55-ba74cf7cf00c.jpg

docker-compose.yml

@@ -27,12 +27,15 @@ services:
   regisflow:
     build: 
       context: .
+      dockerfile: Dockerfile
       target: production
-    image: regisflow-regisflow:latest
+      args:
+        - NODE_ENV=production
     container_name: regisflow-app
     depends_on:
       regisflow-db:
         condition: service_healthy
+    pull_policy: never
     environment:
       NODE_ENV: production
       PORT: 5000