Master Nginx in 2026 as a reverse proxy for Node.js apps: SSL termination with Let Encrypt, load balancing across servers, rate limiting, gzip compression, HTTP/2, and performance tuning for production.
Master Kubernetes Ingress: routing HTTP and HTTPS traffic to services, TLS termination, path and host-based routing, rate limiting, and the differences between Nginx Ingress Controller, AWS ALB, and Gateway API.
A misconfigured load balancer can route all traffic to one server while others idle, drop connections silently, or fail to detect unhealthy backends. These problems are invisible until they cause production incidents. Here are the most dangerous LB misconfigurations and how to fix them.