Staging

Dockerfile

@@ -1,17 +1,11 @@
-# use the latest node LTS release
-FROM node:gallium
+FROM node:alpine
 WORKDIR /usr/src/app
 
-# copy package.json and package-lock.json and install packages. we do this
-# separate from the application code to better use docker's caching
-# `npm install` will be cached on future builds if only the app code changed
 COPY package*.json ./
 RUN npm install
 
-# copy the app
 COPY . .
 
-# expose port 3000 and start the app
-EXPOSE 3000
-CMD [ "npm", "start" ]
+ARG APP_PORT=8000
 
+EXPOSE ${APP_PORT}

Jenkinsfile

@@ -1,26 +1 @@
 #!/usr/bin/env groovy
-
-pipeline {
-
-    agent {
-        docker {
-            image 'node'
-            args '-u root'
-        }
-    }
-
-    stages {
-        stage('Build') {
-            steps {
-                echo 'Building...'
-                sh 'npm install'
-            }
-        }
-        stage('Test') {
-            steps {
-                echo 'Testing...'
-                sh 'npm test'
-            }
-        }
-    }
-}

README.md

@@ -1,39 +1,2 @@
-# Hello Hapi
-
-An example [Hapi.js](https://hapijs.com/) app with https://github.com/hapijs/lab tests. Solution to Exercise 1 from [Exercises for Programmers](http://pragprog.com/titles/bhwb), copyright 2015 The Pragmatic Programmers.
-
-## Usage
-
-Install dependencies:
-
-```
-npm install
-```
-
-Run with 
-
-`npm start`
-
-to fire the server. VIsit <http://localhost:3000/hello/Homer> to see the result
-
-Replace `homer` with your name to echo the response. Use `Homer%20Simpson` to test that URL decoding for spaces works
-
-## Running tests
-
-Run tests with `npm test`
-
-This will run tests and a linter using the default linting settings.
-
-Run tests and code coverage with `npm run coverage`.
-
-## License
-
-MIT
-
-Copyright (c) 2016 Brian P. Hogan
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHERLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# branch staging 
+##### build, test and deploy containerized node.js web app via jenkins 

app.js

@@ -2,9 +2,13 @@
 
 const Hapi   = require('@hapi/hapi');
 
+const app_port = process.env.APP_PORT || 8000;
+
+console.log('Listening on port: ' + app_port);
+
 const Server = new Hapi.Server({
     host: 'localhost',
-    port: 3000
+    port: app_port
 });
 const Hello  = require('./lib/hello');
 
@@ -18,7 +22,6 @@ Server.route({
     }
 });
 
-// don't start server if this file was required
 
 if (!module.parent) {