Allow for the nginx service port and container port to be different (#589)

* Allow for the nginx service port and container port to be different

Signed-off-by: chorst <chorst@infoblox.com>

* Update changelog

Signed-off-by: chorst <chorst@infoblox.com>

---------

Signed-off-by: chorst <chorst@infoblox.com>
Co-authored-by: Tom Hayward <thayward@infoblox.com>

Author: Calebjh

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * [FEATURE] Add a parquet converter. #579
 * [ENHANCEMENT] Avoid scheduling queriers and ingesters on the same node #583
+* [ENHANCEMENT] Allow for the nginx service port and container port to be different #589
 * [DEPENDENCY] Update quay.io/cortexproject/cortex Docker tag to v1.20.1 #577
 
 ## 3.0.0 / 2025-11-27

README.md

@@ -488,6 +488,7 @@ Kubernetes: `^1.19.0-0`
 | nginx.​securityContext | object | `{}` |  |
 | nginx.​service.​annotations | object | `{}` |  |
 | nginx.​service.​labels | object | `{}` |  |
+| nginx.​service.​port | string | `""` | Replaces default port value from nginx.http_listen_port when set |
 | nginx.​service.​type | string | `"ClusterIP"` |  |
 | nginx.​serviceAccount.​name | string | `""` | "" disables the individual serviceAccount and uses the global serviceAccount for that component |
 | nginx.​startupProbe.​failureThreshold | int | `10` |  |

templates/nginx/nginx-ingress.yaml

@@ -34,7 +34,7 @@ spec:
               service:
                 name: {{ include "cortex.nginxFullname" $ }}
                 port:
-                  number: {{ $.Values.nginx.http_listen_port }}
+                  number: {{ $.Values.nginx.service.port | default $.Values.nginx.http_listen_port }}
         {{- end }}
   {{- end }}
 {{- end }}

templates/nginx/nginx-svc.yaml

@@ -14,7 +14,7 @@ metadata:
 spec:
   type: {{ .Values.nginx.service.type }}
   ports:
-    - port: {{ .Values.nginx.http_listen_port }}
+    - port: {{ .Values.nginx.service.port | default .Values.nginx.http_listen_port }}
       protocol: TCP
       name: http-metrics
       targetPort: http-metrics

values.yaml

@@ -1342,6 +1342,8 @@ nginx:
     type: ClusterIP
     annotations: {}
     labels: {}
+    # -- Replaces default port value from nginx.http_listen_port when set
+    port: ""
 
   serviceAccount:
     # -- "" disables the individual serviceAccount and uses the global serviceAccount for that component