And now, changes made to the back-end Proxy Server to increase performance
Key Changes Made:
- Rate Limiting
Added express-rate-limit to limit requests from a single IP.
- Logging
Integrated morgan for logging HTTP requests.
- Health Check Endpoint
Added a simple endpoint to check the server’s status.
- Data Validation
Implemented input validation for the URL using Joi.
- Environment Variables
Used dotenv
for managing sensitive data like API keys and port configuration.
- Error Handling
Enhanced error logging for debugging purposes.
- Asynchronous Error Handling
Utilize a centralized error-handling middleware to manage errors in one place.
- Environment Variable Management
Use environment variables for more configuration options, such as cache duration or allowed origins, making it easier to change configurations without altering the code.
- Static Response Handling
Use a middleware for handling static responses or messages instead of duplicating logic.
- Compression Middleware
Add compression middleware to reduce the size of the response bodies, which can improve performance, especially for larger responses.
- Timeout Handling on Requests
Handle timeouts for the requests made to the target URLs and provide appropriate error responses.
- Security Improvements
Implement security best practices, such as Helmet for setting HTTP headers, which can help protect against well-known vulnerabilities.
- Logging Configuration
Improve logging with different levels (e.g., info, error) using a logging library like winston, which provides more control over logging output.
- Graceful Shutdown
Implement graceful shutdown logic to handle server termination more smoothly, especially during deployment.
- Monitoring and Metrics
Integrate monitoring tools like Prometheus or an APM tool for better insights into the application’s performance and resource usage.
- Response Schema Validation
Use libraries like Joi
or Ajv
to validate responses sent back to the client, ensuring they conform to expected formats.
Again, this new code is running here in test for a few weeks.