API Gateway
Scalable microservices orchestration and API management layer
Problem It Solves
Managing multiple microservices with inconsistent error handling, authentication, rate limiting, and monitoring was creating operational complexity.
Who Benefits
Centralized API management, consistent security, automatic scaling, and observability. Development teams can focus on business logic.
Tech Stack
FastAPIDockerKubernetesPrometheusELK StackTerraform
Architecture Diagram
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Deployment Diagram
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Key Features
- →Request routing and load balancing
- →JWT authentication and authorization
- →Rate limiting and throttling
- →Request/response logging
- →Metrics collection and alerting
- →Auto-scaling based on load
Performance Notes
10k+ RPS throughput | P99 latency: <50ms | 99.95% uptime
Dev Notes & Lessons
Kubernetes auto-scaling saved ~40% on infrastructure costs. ELK stack provides complete observability. Circuit breaker pattern prevents cascading failures.