Week2 - Write yaml file to deploy web app by Daemon Set

week2/deploy-daemonset.yaml

+### Example for nginx image
+
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: nginx-daemonset
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+        - name: nginx-container
+          image: nginx:latest
+          ports:
+            - containerPort: 80
+              name: http