apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: frontend
  template:
    metadata:
      labels:
        app: frontend
    spec:
      containers:
      - name: curl-loop
        image: curlimages/curl:7.86.0
        command: ["/bin/sh"]
        args:
          - "-c"
          - |
            while true; do
              echo "=== Calling backend-service:80 ==="
              curl -s backend-service:80
              echo
              sleep 5
            done