4 posts.
A practical guide to Docker networking: the default bridge, user-defined bridges, host networking, container DNS, and how port publishing actually works.
A practical guide to modern Linux networking tools. Learn ip, ss, curl, and dig to diagnose connectivity, inspect sockets, and resolve DNS issues fast.
Set up NGINX as a reverse proxy for Node, Python, or container backends with the right headers, timeouts, and TLS configuration for production.
How Ingress, IngressClass, and Ingress controllers route external HTTP and HTTPS traffic to your Kubernetes Services — with host and path rules, TLS termination, and notes on ingress-nginx vs Traefik.