first commit

node_server_example/Dockerfile

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+FROM node:4.4
+MAINTAINER "bt3" 
+
+EXPOSE 1337
+
+COPY server.js .
+
+CMD node server.js

node_server_example/Makefile

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+.DELETE_ON_ERROR:
+
+build:
+	docker build -t  node_app_test .
+
+run:
+	docker run -d -p 1337:1337 node_app_test
+
+curl:
+	curl localhost:1337
+
+status:
+	docker ps
+
+.PHONY: build run curl status

node_server_example/README.md

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+# Spinning up a Hello World node server in docker
+
+Build the image:
+
+```
+$ make build:
+```
+
+Run the container:
+
+```
+$ make run
+```
+    docker build -t  node_app_test .
+
+Check whether the server worked:
+```
+$ make curl
+```
+
+Check container's status:
+```
+$ make status
+```
+
+
+#### Other useful commands
+
+Exec inside the container:
+
+```
+$ docker exec -i -t <container name from status> /bin/bash
+```
+
+Check images in disk:
+
+```
+$ docker images
+```
+
+
+## Some References:
+
+* [Dockerfiles good practices](https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#general-guidelines-and-recommendations).

node_server_example/node_example_kube_config.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: node_app_test
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        run: node_app_test
+    spec:
+      containers:
+      - name: node_app_test
+        image: node_app_test:1.0
+        ports:
+          - containerPort: 1337
+      imagePullSecrets:
+      - name: <encrypted password your container registry>

node_server_example/server.js

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+var os = require("os");
+var hostname = os.hostname();
+var http = require('http');
+var handleRequest = function(request, response) {
+	  console.log('Received request for URL: ' + request.url);
+	  response.writeHead(200);
+	  response.end("Hello from container " + hostname + "!\n\n");
+};
+var www = http.createServer(handleRequest);
+www.listen(1337);
+