API Gateway Configuration Design and configure API gateways for microservice architectures. Gateway Responsibilities - Request routing and load balancing - Authentication and authorization - Rate limiting and throttling - Request/response transformation - Logging and monitoring - SSL termination Kong Configuration (YAML) Nginx Configuration AWS API Gateway (SAM) Best Practices - Authenticate at gateway level - Implement global rate limiting - Enable request logging - Use health checks for backends - Apply response caching strategically - Never expose backend details in errors - Enforce HTTPS…