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I have a separate ingress-internal (manifests) for the backend and the frontend. My backend service has several endpoints: one with GraphqQL and two Rest. After deploying the project, I find that when I request the Rest endpoint (POST request); I have the error code 404.

How can I configure properly the backend ingress manifest?

I tired too many annotations like: nginx.ingress.kubernetes.io/use-regex: "true" # nginx.ingress.kubernetes.io/app-root: / # nginx.ingress.kubernetes.io/default-backend: mcs-thirdparty-backend nginx.ingress.kubernetes.io/rewrite-target: /$2 # nginx.ingress.kubernetes.io/rewrite-path: /response # nginx.ingress.kubernetes.io/preserve-trailing-slash: "true"

This is my current backend's ingress:

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: mcs-thirdparty-back-ingress
  namespace: namespace
  annotations:
    nginx.ingress.kubernetes.io/enable-cors: "true"
    nginx.ingress.kubernetes.io/cors-allow-methods: "PUT, GET, POST, OPTIONS"
    nginx.ingress.kubernetes.io/use-regex: "true"
    nginx.ingress.kubernetes.io/rewrite-target: /$2
spec:
  ingressClassName: nginx-internal
  rules:
  - host: backend.exemple.com
    http:
      paths:
      - path: '/(/|$)(.*)'
        backend:
          service:
            name: mcs-thirdparty-backend
            port:
              number: 8080
        pathType: Prefix
R. Richards
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Bilel-NEJI
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1 Answers1

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This the backend ingress that I arrived to work successfullywith:

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: mcs-thirdparty-ingress
  namespace: namespace
spec:
  ingressClassName: nginx-internal
  rules:
  - host: bilels.exemple.com
    http:
      paths:
      - path: /
        backend:
          service:
            name: mcs-thirdparty-frontend
            port:
              number: 80
        pathType: Prefix
Bilel-NEJI
  • 61
  • 9