support to run container using port 8080 and non-root user 100

Dockerfile

@@ -7,4 +7,5 @@ RUN make build
 FROM scratch
 COPY --from=builder /go/whoami/whoami .
 ENTRYPOINT ["/whoami"]
-EXPOSE 80
+USER 100
+EXPOSE 8080

README.md

@@ -5,17 +5,72 @@
 Tiny Go webserver that prints os information and HTTP request to output
 
 ```console
-$ docker run -d -P --name iamfoo containous/whoami
-$ docker inspect --format '{{ .NetworkSettings.Ports }}'  iamfoo
-map[80/tcp:[{0.0.0.0 32769}]]
-$ curl "http://0.0.0.0:32769"
-Hostname :  6e0030e67d6a
-IP :  127.0.0.1
-IP :  ::1
-IP :  172.17.0.27
-IP :  fe80::42:acff:fe11:1b
-GET / HTTP/1.1
-Host: 0.0.0.0:32769
-User-Agent: curl/7.35.0
-Accept: */*
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: whoami-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: whoami
+  template:
+    metadata:
+      labels:
+        app: whoami
+    spec:
+      containers:
+      - name: whoami-container
+        image: containous-whoami:latest
+        securityContext:
+          runAsUser: 100
+        ports:
+          - containerPort: 8080
+            name: whoami
+            protocol: TCP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: whoami-service
+spec:
+  ports:
+  - name: http
+    targetPort: 8080
+    port: 8080
+  selector:
+    app: whoami
+---
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: whoami-ingress
+  annotations:
+    kubernetes.io/ingress.class: traefik
+spec:
+  rules:
+  - host: whoami.local
+    http:
+      paths:
+      - path: /whoamitest
+        backend:
+          serviceName: whoami-service
+          servicePort: 8080
+---
+apiVersion: extensions/v1beta1
+kind: NetworkPolicy
+metadata:
+  name: whoami
+spec:
+  ingress:
+  - ports:
+    - port: 8080
+      protocol: TCP
+  podSelector:
+    matchLabels:
+      app: whoami
+  policyTypes:
+  - Ingress
+
 ```

app.go

@@ -34,7 +34,7 @@ var port string
 func init() {
 	flag.StringVar(&cert, "cert", "", "give me a certificate")
 	flag.StringVar(&key, "key", "", "give me a key")
-	flag.StringVar(&port, "port", "80", "give me a port number")
+	flag.StringVar(&port, "port", "8080", "give me a port number")
 }
 
 var upgrader = websocket.Upgrader{