demo.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: demo
  labels:
    app: demo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: demo
  template:
    metadata:
      labels:
        app: demo
    spec:
      imagePullSecrets:
        - name: jberger-ghcr
      containers:
        - name: demo
          image: perl:latest
          command: ['/bin/sh']
          args: 
            - '-c'
            - |
              cpanm -n Mojolicious && perl -Mojo -MSys::Hostname -E 'a("/" => sub ($c) { $c->ua->get_p("icanhazip.com")->then(sub ($tx) { chomp(my $ip = $tx->res->text); $c->render(json => {hostname => hostname, ip => $ip, xff => $c->req->headers->header("X-Forwarded-For")}) }) })->start' daemon
          ports:
            - containerPort: 3000
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: demo
  name: demo
spec:
  ports:
    - port: 3000
  selector:
    app: demo
---
apiVersion: networking.x-k8s.io/v1alpha1
kind: HTTPRoute
metadata:
  name: demo
  labels:
    gateway: prod-web
spec:
  hostnames:
    - demo.jberger.pl
  rules:
    - matches:
        - path:
            value: /
      forwardTo:
        - serviceName: demo
          port: 3000