🚀 Flask-Mongo Sample App Enhancement

I've significantly upgraded the Flask-Mongo sample application to make it more robust, secure, production-ready, and developer-friendly.

🔧 Project Structure Improvements

• 🗂️ Modular code organization with clean separation of concerns

• 🔑 Configuration management via environment variables

• 📄 Added .gitignore to avoid unnecessary files being tracked

✨ Feature Enhancements

• ✅ Input Validation
  Comprehensive request validation using jsonschema to ensure data integrity.

• ✅ Error Handling
  Centralized and consistent error handling returning proper HTTP status codes.

• ✅ Logging
  Added structured JSON logging using python-json-logger for better observability.

• ✅ API Documentation
  Integrated Swagger UI using flask-restx for interactive API exploration.

• ✅ Rate Limiting
  Prevent abuse by limiting request rates with flask-limiter.

• ✅ Health Check Endpoint
  Added /health route for service health monitoring.

• ✅ Configuration Management
  Moved sensitive configs to environment variables using python-dotenv.

🔐 Security Improvements

• 🧹 Input sanitization and strict validation

• 🌐 CORS configuration to control cross-origin requests

• 🛡️ Secure HTTP headers

• 🚫 Proper error handling to prevent information leakage

🧹 Code Quality Enhancements

• 🔤 Added type hints and detailed docstrings

• 🔄 Consistent error handling across all endpoints

• 📦 Cleaner, scalable, and maintainable codebase

📦 New Dependencies Introduced

✅ Changes successfully implemented and tested.
Ready for production-like environments! 🚀