docs: Update production deployment with actual infrastructure details

- PostgreSQL on dedicated server: 10.0.0.207 (postgres:a3ppq@10.0.0.207:5432/parentflow)
- Application server: 10.0.0.240 with SSH access (root/a3pq5t50yA@#)
- Nginx and SSL already configured on dedicated proxy server
- Updated ecosystem.config.js with production database credentials
- Updated .env.production.example with correct server details
- Redis, MongoDB, MinIO remain as Docker containers on 10.0.0.240

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.env.production.example

@@ -1,16 +1,16 @@
 # ParentFlow Production Environment Variables
 # Copy this file to .env.production and update with your secure values
 
-# Database Configuration (PostgreSQL)
-POSTGRES_PASSWORD=parentflow_secure_password_2024
+# Database Configuration (Dedicated PostgreSQL Server at 10.0.0.207)
+DATABASE_URL=postgresql://postgres:a3ppq@10.0.0.207:5432/parentflow
 
-# Redis Configuration
+# Redis Configuration (Docker on 10.0.0.240)
 REDIS_PASSWORD=parentflow_redis_password_2024
 
-# MongoDB Configuration
+# MongoDB Configuration (Docker on 10.0.0.240)
 MONGO_PASSWORD=parentflow_mongo_password_2024
 
-# MinIO (Object Storage) Configuration
+# MinIO (Object Storage) Configuration (Docker on 10.0.0.240)
 MINIO_ROOT_USER=parentflow_minio_admin
 MINIO_ROOT_PASSWORD=parentflow_minio_password_2024
 
@@ -19,12 +19,12 @@ NODE_ENV=production
 API_PORT=3020
 PORT=3020
 
-# Database Connection
-DATABASE_HOST=parentflow-postgres-prod
+# Database Connection (Dedicated PostgreSQL Server)
+DATABASE_HOST=10.0.0.207
 DATABASE_PORT=5432
-DATABASE_NAME=parentflow_production
-DATABASE_USER=parentflow_user
-DATABASE_PASSWORD=parentflow_secure_password_2024
+DATABASE_NAME=parentflow
+DATABASE_USER=postgres
+DATABASE_PASSWORD=a3ppq
 DATABASE_SSL=false
 
 # Redis Connection