Update webapp.yaml

webapp.yaml

 apiVersion: apps/v1
 kind: Deployment
 metadata:
-    name: app
-    namespace: sre-spf
-    labels:
-       app: app
+  name: nginx-deployment
+  labels:
+    app: nginx
 spec:
-     replicas: 1
-     selector:
-          matchLabels:
-              app: app
-              tier: frontend
-     template:
-            metadata:
-                labels:
-                   app: app
-                   tier: frontend
-            spec:
-               containers:
-               - name: app
-                 image: nginx
-                 imagePullPolicy: Always
+  replicas: 3
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.14.2
+        ports:
+        - containerPort: 80
\ No newline at end of file
-                 ports:
-                 - containerPort: 80
-                   name: app
\ No newline at end of file