Traefik API Gateway for Microservices: With Java and Python Microservices Deployed in Kubernetes

Detailing the configuration and use of Traefik as an API gateway in a microservices environment. The text explains the shift from monolithic to microservices architecture and the need for dynamic gateway solutions like Traefik, which offers features such as load balancing (Round Robin, Weighted Round Robin, Mirroring) for HTTP, TCP, and UDP traffic. A significant portion of the material provides practical guidance on configuring Traefik's core components (Entrypoints, Routers, Services, Middleware) and implementing operational concerns, including TLS termination (with Let's Encrypt), logs and metrics (Prometheus, Zipkin/Jaeger tracing), and advanced resilience patterns like circuit breakers and retries, often demonstrated...