After getting the Service running, the next thing I needed was a way to route external HTTP traffic to it. That's where Ingress comes in — and I went with the HAProxy ingress controller.

Installing the HAProxy ingress controller

helm repo add haproxytech https://haproxytech.github.io/helm-charts helm repo update helm install haproxy-ingress haproxytech/kubernetes-ingress \ --namespace ingress-controller \ --create-namespace

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Then I checked it came up:

kubectl get pods -n ingress-controller

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Writing the Ingress resource

apiVersion : networking.k8s.io/v1 kind : Ingress metadata : name : my-app-ingress annotations : kubernetes.io/ingress.class : haproxy spec : rules : - host : my-app.example.com http : paths : - path : / pathType : Prefix backend : service : name : my-app-service port : number : 80

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The host field is the domain I want to route.…