Update to use express for heroku reviews app

Procfile

@@ -0,0 +1 @@
+web: npm run start:express

package.json

@@ -4,8 +4,8 @@
   "version": "0.1.0",
   "description": "terra-core",
   "engines": {
-     "node": "6.9.4"
-   },
+    "node": "6.9.4"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/cerner/terra-core.git"
@@ -42,9 +42,10 @@
     "clean:install": "npm run clean:all && npm install",
     "clean:obsolete-snapshots": "npm test -- -u",
     "compile": "lerna run compile",
+    "compile:heroku": "cd packages/terra-site && npm run compile:heroku",
     "deploy": "lerna run --scope terra-site deploy",
     "heroku-prebuild": "npm install -g [email protected]",
-    "heroku-postbuild": "npm install --only=dev",
+    "heroku-postbuild": "npm install --only=dev && npm run compile:heroku",
     "jest": "jest",
     "jest:coverage": "jest --coverage",
     "lint": "npm run lint:js && npm run lint:scss",
@@ -54,6 +55,7 @@
     "pretest": "npm run lint",
     "postinstall": "npm run bootstrap",
     "start": "cd packages/terra-site && npm run start",
+    "start:express": "node scripts/express/app.js",
     "test": "npm run jest && npm run test:nightwatch-default",
     "test:nightwatch-default": "node ./packages/terra-toolkit/lib/scripts/nightwatch-process.js --env default-tiny,default-small,default-medium,default-large,default-huge,default-enormous"
   },
@@ -72,6 +74,7 @@
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-jsx-a11y": "^3.0.2",
     "eslint-plugin-react": "^6.9.0",
+    "express": "^4.15.2",
     "glob": "^7.1.1",
     "husky": "^0.13.1",
     "identity-obj-proxy": "^3.0.0",

packages/terra-site/package.json

@@ -15,6 +15,7 @@
   "homepage": "https://github.com/cerner/terra-core#readme",
   "scripts": {
     "start": "webpack-dev-server --progress --port ${PORT:-8080}",
+    "compile:heroku": "webpack --config webpack.prod.config --progress",
     "compile:prod": "webpack --config webpack.prod.config -p",
     "compile:prod-stats": "webpack --config webpack.prod.config -p --json > stats.json",
     "deploy": "npm run compile:prod && gh-pages -d build",

scripts/express/README.md

@@ -0,0 +1,11 @@
+#start:express
+
+The start:express script will automatically run on Heroku reviews app pipeline or it can manually be executed using the command below:
+
+```
+npm run compile:heroku
+npm run start:express
+```
+
+The start:express script will:
+* Start an express server to serve all built static assets by webpack

scripts/express/app.js

@@ -0,0 +1,15 @@
+/* eslint-disable import/no-extraneous-dependencies */
+/* eslint-disable no-console */
+const express = require('express');
+const path = require('path');
+
+const app = express();
+const port = process.env.PORT || 8081;
+// path to webpack built path
+const buildPath = path.join(__dirname, '../../packages/terra-site/build');
+
+app.use('/static', express.static(buildPath));
+app.get('/', (req, res) => res.redirect('/static'));
+app.listen(port);
+console.log(`Listening ${port}`);
+console.log(`Production Environment: ${process.env.NODE_ENV === 'production'}`);