deployment securitycontext runasuser

apiVersion: apps/v1
kind: Deployment
metadata:
  name: web-dep
  labels:
    tier: frontend
  annotations:
    AppVersion: "3.4"
spec:
  replicas: 2
  selector:
     matchLabels:
       app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      securityContext:
        runAsUser: 1000
      containers:
      - name: nginx
        image: nginx:1.7.9
        ports:
        - containerPort: 80
        command: ["sleep", "1000"]