<p>I am trying to setup a AWS ALB Ingress on EKS. But the Argo UI is not working. But the port forwarding is working fine.</p>
<pre><code>apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    alb.ingress.kubernetes.io/healthcheck-path: /
    alb.ingress.kubernetes.io/listen-ports: '[{&quot;HTTP&quot;: 80}]'
    alb.ingress.kubernetes.io/scheme: internal
    kubernetes.io/ingress.class: alb
  name: admin-ns-endpoints
  namespace: admin
spec:
  rules:
  - host: argo-nonprod.sample.com
    http:
      paths:
      - backend:
          serviceName: argo-server
          servicePort: 2746
        path: /*
status:
  loadBalancer:
    ingress:
    - hostname: xxxxxxx.ap-south-1.elb.amazonaws.com
</code></pre>
<p>Getting 404 when accessing the endpoint.</p>
<pre><code>apiVersion: apps/v1
kind: Deployment
metadata:
  name: argo-server
  namespace: admin
spec:
  replicas: 1
  template:
    spec:
      containers:
      - args:
        - server
        - --configmap=argo-workflow-controller-configmap
        env:
        - name: BASE_HREF
          value: /
        - name: IN_CLUSTER
          value: &quot;true&quot;
        - name: ARGO_NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        image: argoproj/argocli:v2.9.3
        imagePullPolicy: Always
        name: argo-server
        ports:
        - containerPort: 2746
          name: web
          protocol: TCP
</code></pre>
<p>I used helm chart to deploy the chart.</p>
<p>I tried changing different values from in the ingress file but I am not successful.</p>

Sriharsha Kalluru
<p>Could you try removing spec.rules.http.host? Aside, this works for us:</p>
<pre><code>apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: nginx-alb-ingress
  namespace: argo
  annotations:
    kubernetes.io/ingress.class: aws-alb
    alb.ingress.kubernetes.io/load-balancer-attributes: access_logs.s3.enabled=false
    alb.ingress.kubernetes.io/backend-protocol: HTTPS
    alb.ingress.kubernetes.io/scheme: internet-facing
    alb.ingress.kubernetes.io/listen-ports: '[{&quot;HTTPS&quot;: 443}]'
    alb.ingress.kubernetes.io/subnets: REDACTED
    alb.ingress.kubernetes.io/security-groups: REDACTED
    alb.ingress.kubernetes.io/healthcheck-protocol: HTTPS
    alb.ingress.kubernetes.io/healthcheck-path: /
    external-dns.alpha.kubernetes.io/hostname: REDACTED
  labels:
    app: nginx-service
spec:
  rules:
    - http:
        paths:
          - path: /*
            backend:
              serviceName: argo-server
              servicePort: 2746
</code></pre>
