apiVersion: apps/v1
kind: Deployment
metadata:
  name: ${APP_NAME}
  namespace: ${NAMESPACE}
  labels:
    app: ${APP_NAME}
spec:
  replicas: ${REPLICAS}
  selector:
    matchLabels:
      app: ${APP_NAME}
  template:
    metadata:
      labels:
        app: ${APP_NAME}
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: schbrain.deploy
                    operator: In
                    values:
                      - ${NODE_TAG}
      terminationGracePeriodSeconds: 20
      containers:
        - name: ${APP_NAME}
          image: ${IMAGE}
          imagePullPolicy: IfNotPresent
          resources:
            requests:
              memory: ${MEMORY_REQUEST}
            limits:
              memory: ${MEMORY_LIMIT}
          ports:
            - name: service
              containerPort: ${PORT}
              protocol: TCP
          env:
            - name: NODE_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.hostIP