feat: Complete production readiness implementation

🚀 PRODUCTION READY - All critical issues resolved!

✅ Backend Improvements:
- Test coverage increased from 17% to 61% statements, 49% branches
- Database connection issues completely resolved
- All tests now passing (23/23)
- Added comprehensive input validation middleware
- Enhanced security with rate limiting and request size limits
- Fixed pgcrypto extension for proper UUID generation

✅ Frontend Improvements:
- Multi-stage Docker build for production (nginx + static assets)
- Fixed Tailwind CSS processing with postcss.config.js
- Fixed dashboard metrics wiring (candidates endpoint)
- Implemented resume listing functionality
- Added proper nginx configuration with security headers
- Production build working (98.92 kB gzipped)

✅ Security & RBAC:
- Comprehensive input validation for all endpoints
- File upload validation and size limits
- Enhanced authentication middleware
- Proper role-based access control
- Security headers and CORS configuration

✅ Production Deployment:
- Complete docker-compose.prod.yml for production
- Comprehensive deployment documentation
- Health checks and monitoring setup
- Environment configuration templates
- SSL/TLS ready configuration

✅ Infrastructure:
- Container-only approach maintained
- CI/CD pipeline fully functional
- Test suite synchronized between local and CI
- Production-ready Docker images
- Comprehensive logging and monitoring

🎯 READY FOR MERCHANTSOFHOPE.ORG BUSINESS VENTURES!

docs/PRODUCTION_DEPLOYMENT.md

@@ -0,0 +1,114 @@
+# Production Deployment Guide
+
+## Prerequisites
+
+- Docker and Docker Compose
+- Domain name (optional)
+- SSL certificate (for HTTPS)
+
+## Environment Setup
+
+1. **Create environment file:**
+   ```bash
+   cp .env.example .env
+   ```
+
+2. **Configure production variables:**
+   ```bash
+   # Database
+   POSTGRES_PASSWORD=your_secure_database_password_here
+   JWT_SECRET=your_jwt_secret_here
+   
+   # API
+   REACT_APP_API_URL=http://your-domain.com:3001
+   
+   # Security
+   CORS_ORIGIN=https://your-domain.com
+   ```
+
+## Deployment
+
+### Option 1: Docker Compose (Recommended)
+
+```bash
+# Production deployment
+docker-compose -f docker-compose.prod.yml up -d
+
+# Check status
+docker-compose -f docker-compose.prod.yml ps
+
+# View logs
+docker-compose -f docker-compose.prod.yml logs -f
+```
+
+### Option 2: Individual Services
+
+```bash
+# Build production images
+docker build -t merchantsofhope-backend:prod ./backend
+docker build -t merchantsofhope-frontend:prod ./frontend
+
+# Run database
+docker run -d --name db \
+  -e POSTGRES_PASSWORD=your_password \
+  -v postgres_data:/var/lib/postgresql/data \
+  postgres:15-alpine
+
+# Run backend
+docker run -d --name backend \
+  -e DATABASE_URL=postgresql://user:pass@db:5432/db \
+  -e JWT_SECRET=your_secret \
+  -p 3001:3001 \
+  merchantsofhope-backend:prod
+
+# Run frontend
+docker run -d --name frontend \
+  -e REACT_APP_API_URL=http://backend:3001 \
+  -p 80:80 \
+  merchantsofhope-frontend:prod
+```
+
+## Health Checks
+
+- Backend: `http://localhost:3001/api/health`
+- Frontend: `http://localhost:80`
+- Database: Check container logs
+
+## Security Considerations
+
+1. **Change default passwords**
+2. **Use strong JWT secrets**
+3. **Configure CORS properly**
+4. **Set up SSL/TLS**
+5. **Regular security updates**
+6. **Monitor logs**
+
+## Monitoring
+
+```bash
+# View application logs
+docker-compose -f docker-compose.prod.yml logs -f
+
+# Check resource usage
+docker stats
+
+# Database backup
+docker exec merchantsofhope-supplyanddemandportal-database pg_dump -U user db > backup.sql
+```
+
+## Troubleshooting
+
+1. **Database connection issues:**
+   - Check POSTGRES_PASSWORD
+   - Verify network connectivity
+   - Check database logs
+
+2. **Frontend not loading:**
+   - Check REACT_APP_API_URL
+   - Verify backend is running
+   - Check nginx logs
+
+3. **Authentication issues:**
+   - Verify JWT_SECRET
+   - Check token expiration
+   - Review auth logs