This patches the ingress-nginx controller to use case sensitive path prefix matching

!case-sensitive-ingress-nginx.md

case-sensitive-ingress-nginx

This patches the ingress-nginx controller to use case sensitive path prefix matching.

My issue in the repo was ignored kubernetes/ingress-nginx#7010

Dockerfile

FROM registry.k8s.io/ingress-nginx/controller:v1.5.1@sha256:4ba73c697770664c1e00e9f968de14e08f606ff961c76e5d7033a4a9c593c629
ADD nginx.tmpl.patch ./template/nginx.tmpl.patch
RUN patch -p0 -i ./template/nginx.tmpl.patch

nginx.tmpl.patch

--- template/nginx.tmpl.orig	2023-01-26 19:02:15.878440041 -0500
+++ template/nginx.tmpl	2023-01-26 19:05:44.424283923 -0500
@@ -1183,7 +1183,12 @@
         {{ end }}
         {{ end }}
 
+        # replace case insensitive with case sensitive
+        {{ if hasPrefix $path "~*" }}
+        location ~ {{ slice $path 2 }} {
+        {{ else }}
         location {{ $path }} {
+        {{ end }}
             {{ $ing := (getIngressInformation $location.Ingress $server.Hostname $location.IngressPath) }}
             set $namespace      {{ $ing.Namespace | quote}};
             set $ingress_name   {{ $ing.Rule | quote }};