NGINX Ingress Controller Technical Specifications
Supported Kubernetes Versions
The NGINX Ingress Controller has been verified to run on the following Kubernetes versions:
- Kubernetes 1.14-1.18
Supported Docker Images
We provide the following Docker images, which include NGINX/NGINX Plus bundled with the Ingress Controller binary.
Images with NGINX
All images include NGINX 1.17.10. The supported architecture is x86-64.
| Name | Dockerfile* | Base image | Third-party modules | DockerHub image |
|---|---|---|---|---|
| Debian-based image | Dockerfile |
nginx:1.17.10, which is based on debian:buster-slim |
nginx/nginx-ingress:1.7.1 |
|
| Alpine-based image | DockerfileForAlpine |
nginx:1.17.10-alpine, which is based on alpine:3.10 |
nginx/nginx-ingress:1.7.1-alpine |
|
| Debian-based image with Opentracing | DockerfileWithOpentracing |
nginx:1.17.10, which is based on debian:buster-slim |
OpenTracing API for C++ 1.5.1, NGINX plugin for OpenTracing, C++ OpenTracing binding for Jaeger 0.4.2 | |
| Ubi-based image | openshift/Dockerfile |
registry.access.redhat.com/ubi8/ubi:8.1 |
nginx/nginx-ingress:1.7.1-ubi |
* – Dockerfile paths are relative to the build folder of the Ingress Controller git repo.
Images with NGINX Plus
All images include NGINX Plus R21. The supported architecture is x86-64.
NGINX Plus images are not available through DockerHub.
| Name | Dockerfile* | Base image | Third-party modules |
|---|---|---|---|
| Debian-based image | DockerfileForPlus |
debian:buster-slim |
|
| Debian-based image with Opentracing | DockerfileWithOpentracingForPlus |
debian:buster-slim |
NGINX Plus OpenTracing module, C++ OpenTracing binding for Jaeger 0.4.2 |
| Ubi-based image | openshift/DockerfileForPlus |
registry.access.redhat.com/ubi8/ubi:8.1 |
* – Dockerfile paths are relative to the build folder of the Ingress Controller git repo.
Supported Helm Versions
The Ingress Controller supports installation via Helm. The supported versions of Helm are 2.16+ and 3.0+.
Recommended Hardware
See the Sizing guide for recommendations.