apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: typing-backend
  namespace: typing-game
spec:
  serviceName: "backend-service"
  replicas: 1
  selector:
    matchLabels:
      app: typing-backend
  template:
    metadata:
      labels:
        app: typing-backend
    spec:
      containers:
      - name: backend
        image: alpine
        command: ["/bin/sh", "-c", "while true; do echo Hello from StatefulSet >> /data/log.txt; sleep 10; done"]
        volumeMounts:
        - name: backend-storage
          mountPath: /data
  volumeClaimTemplates:
  - metadata:
      name: backend-storage
    spec:
      accessModes: ["ReadWriteOnce"]
      resources:
        requests:
          storage: 1Gi