Add files via upload

Author: GenLN

Dockerfile

@@ -0,0 +1,20 @@
+FROM centos:centos7
+
+LABEL [email protected]
+
+# Install Node etc...
+RUN yum -y update; yum clean all
+RUN yum -y install epel-release; yum clean all
+RUN yum -y install nodejs npm; yum clean all
+
+# Copy source code to /src in container
+COPY . /src
+
+# Install app and dependencies into /src in container
+RUN cd /src; npm install
+
+# Document the port the app listens on
+EXPOSE 8080
+
+# Run this command (starts the app) when the container starts
+CMD cd /src && node ./app.js

app.js

@@ -0,0 +1,17 @@
+// Simple node.js web app for demonstrating containerizing apps
+// For quick demo purposes only (not properly maintained)
+'use strict';
+
+var express = require('express'),
+    app = express();
+
+app.set('views', 'views');
+app.set('view engine', 'pug');
+
+app.get('/', function(req, res) {
+    res.render('home.pug', {
+  });
+});
+
+app.listen(8080);
+module.exports.getApp = app;

circle.yml

@@ -0,0 +1,12 @@
+# The deployment section should be excluded until
+# it is explicitly included in module 5
+
+#deployment:
+#  dockerhub:
+#    branch: master
+#    commands:
+#      - $DOCKER_HUB_TRIGGER
+
+test:
+  override:    
+    - mocha

package.json

@@ -0,0 +1,13 @@
+{
+  "name": "container-web-test",
+  "private": true,
+  "version": "0.0.1",
+  "description": "Demo app for Web container demonstrations",
+  "main": "app.js",
+  "author": "Nigel Poulton <[email protected]>",
+  "license": "Will be full of vulnerabilities!",
+  "dependencies": {
+    "express": "4.16.3",
+    "pug": "2.0.3"
+  }
+}

readme.md

@@ -0,0 +1,11 @@
+# Test app for demonstrating containerizing web app
+
+Super-simple Node web app for containerization demos
+
+## Instructions for use
+
+1. Fork the repo 
+2. Clone repo locally
+3. Build Docker iamge `docker image build -t <tag> .` from within the root directory of the repo 
+4. Push image to container registry
+5. Run container/Pod using the created image

test/mocha.opts

@@ -0,0 +1 @@
+--reporter spec

test/test.js

@@ -0,0 +1,13 @@
+// Simple async test for HTTP 200 response code using supertest
+'use strict';
+
+var request = require("supertest"),
+    app = require("../app").getApp;
+
+describe('GET /', function(){
+  it('expects HTTP response 200', function(done){
+    request(app)
+     .get('/')
+	 .expect(200, done); 
+  });
+});

views/home.pug

@@ -0,0 +1,12 @@
+html
+  head
+    title='ACG loves K8S'
+    link(rel='stylesheet', href='http://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css')
+  body
+    div.container
+      div.jumbotron
+        h1 A Cloud Guru loves Kubernetes!!!
+        p
+        p 
+          a.btn.btn-primary(href="https://www.amazon.com/Kubernetes-Book-Nigel-Poulton/dp/1521823634/ref=sr_1_3?ie=UTF8&qid=1531240306&sr=8-3&keywords=nigel+poulton") The Kubernetes Book
+        p

web-deploy.yml

@@ -0,0 +1,23 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: simple-web
+  labels:
+    customer: acg
+spec:
+  selector:
+    matchLabels:
+      app: web
+  replicas: 3
+  strategy:
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        app: web
+    spec:
+      containers:
+      - image: nigelpoulton/acg-web:0.1
+        name: web-ctr
+        ports:
+        - containerPort: 8080

web-lb.yml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: web-svc
+  labels:
+    app: web
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 80
+    targetPort: 8080
+  selector:
+    app: web

web-nodeport.yml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: web-nodeport
+  labels:
+    app: web
+spec:
+  type: NodePort
+  ports:
+    - port: 8080
+      nodePort: 31000
+  selector:
+    app: web
+