apiVersion: apps/v1
kind: Deployment
metadata:
  name: flask
  labels:
    app: flask
spec:
  replicas: 4
  strategy:
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
    type: RollingUpdate
  selector:
    matchLabels:
      app: flask
  template:
    metadata:
      labels:
        app: flask
    spec:
      containers:
      - name: flask
        securityContext:
          allowPrivilegeEscalation: false
        image: clemenko/flask_simple
        ports:
        - containerPort: 5000
        imagePullPolicy: Always
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
  labels:
    app: redis
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
    spec:
      containers:
      - name: redis
        image: redis
        args: ["--appendonly", "yes"]
        securityContext:
          allowPrivilegeEscalation: false
          seLinuxOptions:
            level: "s0:c123,c456"
        ports:
        - containerPort: 6379
        volumeMounts:
        - name: redis-data
          mountPath: /data
          subPath: 
      volumes:
      - name: redis-data
        persistentVolumeClaim:
          claimName: redis
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: redis
  labels:
    app: redis
spec:
  accessModes: 
    - ReadWriteMany
  resources:
    requests:
      storage: 10Gi
---
apiVersion: v1
kind: Service
metadata:
  labels:
    name: flask
    kubernetes.io/name: "flask"
  name: flask
spec:
  selector:
    app: flask
  ports:
  - name: flask
    protocol: TCP
    port: 5000
    targetPort: 5000
---
apiVersion: v1
kind: Service
metadata:
  labels:
    name: redis
    kubernetes.io/name: "redis"
  name: redis
spec:
  selector:
    app: redis
  ports:
  - name: redis
    protocol: TCP
    port: 6379
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: flask
  annotations:
    kubernetes.io/ingress.class: "nginx"
spec:
  rules:
  - host: flask.example.com
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: flask
            port:
              number: 5000