---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: my-app
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: my-app
    spec:
      containers:
      - image: nginx:1.12
        name: nginx
        env:
        - name: TEST
          value: foo
        - name: TEST_1
          valueFrom:
            secretKeyRef:
              name: test
              key: test1
        - name: __NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        - name: __POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: __POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: __POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: __NODE_IP
          valueFrom:
            fieldRef:
              fieldPath: status.hostIP
        - name: __POD_SERVICE_ACCOUNT
          valueFrom:
            fieldRef:
              fieldPath: spec.serviceAccountName
        ports:
        - containerPort: 80
        resources:
          requests:
            cpu: 10m
            memory: 100Mi
          limits:
            cpu: 100m
            memory: 100Mi
        volumeMounts:
        - name: config
          mountPath: /etc/nginx/conf.d/
        - name: podinfo
          mountPath: /etc/podinfo
      volumes:
      - name: config
        configMap:
          name: my-configmap
      - name: podinfo
        downwardAPI:
          items:
            - path: "labels"
              fieldRef:
                fieldPath: metadata.labels
            - path: "annotations"
              fieldRef:
                fieldPath: metadata.annotations
...