Improve deployment setup by adding network configurations and production files

Adds Docker network configuration, production compose file, and documentation updates in replit.md.

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-26c014852236/5d315300-98fa-429a-abb0-4fdce6a2e3c9.jpg

docker-compose.yml

@@ -7,6 +7,8 @@ services:
   regisflow-db:
     image: postgres:15-alpine
     container_name: regisflow-db
+    networks:
+      - regisflow_network
     environment:
       POSTGRES_DB: regisflow
       POSTGRES_USER: regisflow
@@ -32,6 +34,8 @@ services:
       args:
         - NODE_ENV=production
     container_name: regisflow-app
+    networks:
+      - regisflow_network
     depends_on:
       regisflow-db:
         condition: service_healthy
@@ -68,8 +72,8 @@ volumes:
   logs_data:
     driver: local
 
-# Utilisation du réseau nginx_default existant
+# Configuration réseau flexible pour déploiement
 networks:
-  default:
-    external: true
-    name: nginx_default
+  regisflow_network:
+    driver: bridge
+    name: regisflow_network