Simplify setup using a single Docker Compose file for all environments

Consolidates Docker Compose configurations into a single docker-compose.yml file, removing docker-compose.simple.yml and docker-compose.prod.yml.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 91318273-c764-4fd4-be04-bdc12c38af32
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/b677ee4d-d452-4e7b-9ac9-ca1e468cd60b.jpg

replit.md

@@ -216,6 +216,8 @@ Preferred communication style: Simple, everyday language.
 - ✅ Simplified network configuration without IP presets to avoid conflicts
 - ✅ Default Docker bridge network usage for maximum compatibility
 - ✅ Ultra-simple installation process with single command: docker-compose up -d
+- ✅ Single docker-compose.yml file for all environments (dev, test, production)
+- ✅ Eliminated multiple configuration files to reduce complexity
 
 ### Production Deployment System (January 9, 2025)
 - ✅ Multi-stage Dockerfile optimized for production with security hardening