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

replit.md

@@ -359,6 +359,14 @@ Preferred communication style: Simple, everyday language.
 - ✅ Corrected port configuration from 5000 to 3000 for proper deployment
 - ✅ Updated all Docker and application configurations to use port 3000
 
+### Docker Network Connectivity Fix (January 13, 2025)
+- ✅ Fixed "driver failed programming external connectivity" deployment error
+- ✅ Created flexible network configuration with local bridge network
+- ✅ Added docker-compose.prod.yml for production deployment with nginx_default
+- ✅ Separated development and production Docker configurations
+- ✅ Resolved external network dependency issues preventing deployment
+- ✅ Enhanced network specifications for both database and application services
+
 ### Portainer Deployment Fix (January 10, 2025)
 - ✅ Resolved Docker image pull error "regisflow-regisflow:latest" in Portainer
 - ✅ Created local image building solution with "regisflow:latest" tag