Deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: some-deployment
  labels:
    app: some-app
    role: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: some-app
  template:
    metadata:
      labels:
        app: some-app
        role: backend
    spec:
      containers:
      - name: nginx
        image: nginx:1.17.8-alpine
        ports:
        - containerPort: 80
          name: http
        env:
        - name: APPLICATION_NAME
          value: "some-app"
        volumeMounts:
        - name: www
          mountPath: /usr/share/nginx/html
        livenessProbe:
          httpGet:
            path: /health
            port: 80
          initialDelaySeconds: 10  # Liveness probe waits 10 seconds before first check
          periodSeconds: 10        # Run every 10 seconds
          timeoutSeconds: 5        # Probe times out after 5 seconds
          failureThreshold: 6      # Fail after 6 consecutive failures
        readinessProbe:
          httpGet:
            path: /ready
            port: 80
          initialDelaySeconds: 15  # Readiness probe waits 15 seconds before first check
          periodSeconds: 10        # Run every 10 seconds
          timeoutSeconds: 5        # Probe times out after 5 seconds
          failureThreshold: 6      # Fail after 6 consecutive failures
        resources:
          limits:
            memory: "512Mi"        # Limit memory usage to 512Mi
            cpu: "500m"            # Limit CPU usage to 500 millicores
          requests:
            memory: "256Mi"        # Request 256Mi of memory
            cpu: "250m"            # Request 250 millicores of CPU
      volumes:
      - name: www
        persistentVolumeClaim:
          claimName: some-claim

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: some-claim
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: my-storage-class
  resources:
    requests:
      storage: 1Gi