Change some practice

practice/7.network-abstractions/2.ingress-and-services/app/configmap.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: my-configmap
+data:
+  default.conf: |
+    server {
+        listen       80 default_server;
+        server_name  _;
+        default_type text/plain;
+
+        location / {
+            return 200 '$hostname\n';
+        }
+    }

practice/7.network-abstractions/2.ingress-and-services/app/deployment-with-configmap.yaml

@@ -0,0 +1,55 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-deployment
+spec:
+  replicas: 2
+  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
+        ports:
+        - containerPort: 80
+        readinessProbe:
+          failureThreshold: 3
+          httpGet:
+            path: /
+            port: 80
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        livenessProbe:
+          failureThreshold: 3
+          httpGet:
+            path: /
+            port: 80
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+          initialDelaySeconds: 10
+        resources:
+          requests:
+            cpu: 10m
+            memory: 100Mi
+          limits:
+            cpu: 10m
+            memory: 100Mi
+        volumeMounts:
+        - name: config
+          mountPath: /etc/nginx/conf.d/
+      volumes:
+      - name: config
+        configMap:
+          name: my-configmap