"Ingress NGINX, for those who don't know it, is an ingress controller in Kubernetes clusters that manages and routes external HTTP and HTTPS traffic to the cluster's internal services based on configurable Ingress rules. It acts as a reverse proxy, ensuring that requests from clients outside the cluster are forwarded to the correct backend services within the cluster according to path, domain, and TLS configuration. As such, it's vital for network traffic management and load balancing. You know, the important stuff."
"Now this longstanding project, once celebrated for its flexibility and breadth of features, will soon be "abandonware." So what? After all, it won't be the first time a once-popular program shuffled off the stage. Off the top of my mind, dBase, Lotus 1-2-3, and VisiCalc spring to my mind. What's different is that there are still thousands of Ingress NGINX controllers in use."
"Why is it being put down, then, if it's so popular? Well, there is a good reason. As Tabitha Sable, a staff engineer at Datadog who is also co-chair of the Kubernetes special interest group for security, pointed out: "Ingress NGINX has always struggled with insufficient or barely sufficient maintainership. For years, the project has had only one or two people doing development work, on their own time, after work hours, and on weekends."
Kubernetes will stop maintaining the Ingress NGINX controller, with support ending in March 2026 and no further releases, bugfixes, or security updates after that. Ingress NGINX functions as an ingress controller and reverse proxy, routing external HTTP/HTTPS traffic to internal services based on Ingress rules, TLS, and domains, and remains widely deployed. The project has suffered from minimal maintainership for years, with only a few volunteers doing development in their spare time. Maintainers plan to wind down Ingress NGINX and develop a replacement controller aligned with the Gateway API. Organizations should inventory deployments, plan migrations, and address security risks before end-of-life.
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