Add nodejs API to server the brands.json

.us-pg-brands-rc

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+{
+    "app": {
+        "port": 5000,
+        "address": "0.0.0.0"
+    }
+}

lib/config.js

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+// us-pg-brands application settings
+
+const fs = require( 'fs' );
+const path = require( 'path' );
+
+const config = JSON.parse( fs.readFileSync( path.resolve( __dirname, './../.us-pg-brands-rc' ), 'utf8' ) );
+
+module.exports = config;

lib/data.js

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+// data loader
+
+const fs = require( 'fs' );
+const path = require( 'path' );
+
+const data = JSON.parse( fs.readFileSync( path.resolve( __dirname, './../data/brands.json' ), 'utf8' ) );
+
+module.exports = data;

lib/response.js

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+// status codes and strings for the routes
+
+const status = {
+    // successes
+    'HTTP_OK' : {
+        code   : '200',
+        string : 'OK.',
+    },
+
+    // client errors
+    'HTTP_BAD_REQUEST'  : {
+        code   : '400',
+        string : "Whoops, something isn't correct with your request.",
+    },
+    'HTTP_UNAUTHORIZED' : {
+        code   : '401',
+        string : 'You are not authenticated.',
+    },
+    'HTTP_FORBIDDEN'    : {
+        code   : '403',
+        string : 'You are not authorized to access this resource.',
+    },
+    'HTTP_NOT_FOUND'    : {
+        code   : '404',
+        string : 'That resource was not found.',
+    },
+    'HTTP_CONFLICT'     : {
+        code   : '409',
+        string : 'That resource already exists.',
+    },
+
+    // server errors
+    'HTTP_INTERNAL_SERVER_ERROR' : {
+        code   : '500',
+        string : 'Whoops, something went wrong on our end.',
+    },
+};
+
+module.exports.status = status

package.json

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+{
+  "dependencies": {
+    "express": "^4.17.1",
+    "morgan": "^1.10.0",
+    "path": "^0.12.7"
+  }
+}

routes/root.js

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+// root routes
+
+const express = require( 'express' );
+const router = express.Router();
+const data = require( './../lib/data' );
+const response = require( './../lib/response' );
+
+router.get( '/', function ( req, res ) {
+    res.status( response.status.HTTP_OK.code )
+       .header( 'Content-Type', 'application/json' )
+       .header( 'Connection', 'close' )
+       .send( data );
+});
+
+module.exports = router;

server.js

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+// us-pg-brands
+
+'use strict';
+
+const version = '0.0.1';
+
+const express = require( 'express' );
+const config = require( './lib/config' );
+const app = express();
+const logger = require( 'morgan' );
+const response = require( './lib/response' );
+
+// disable unused headers
+app.disable( 'etag' );
+app.disable( 'x-powered-by' );
+
+// routes
+const root = require( './routes/root' );
+
+app.use( logger( 'combined' ) );
+
+// load the routes
+app.use( '/', root );
+
+// default routes
+// NOT FOUND for any GET requests
+app.get( '*', function( req, res ) {
+    res.status( response.status.HTTP_NOT_FOUND.code )
+       .header( 'Content-Type', 'text/plain' )
+       .header( 'Connection', 'close' )
+       .send( response.status.HTTP_NOT_FOUND.string );
+});
+
+// BAD REQUEST for anything else
+app.use( function( req, res ) {
+    res.status( response.status.HTTP_BAD_REQUEST.code )
+       .header( 'Content-Type', 'text/plain' )
+       .header( 'Connection', 'close' )
+       .send( response.status.HTTP_BAD_REQUEST.string );
+});
+
+console.log( '[info] us-pg-brands - version ' + version );
+
+app.listen( config.app.port, config.app.address, function() {
+    console.log(
+        '[info] server started\n' +
+        '[info] serving: ' + config.app.address + ':' + config.app.port
+    );
+});
+
+module.exports = app;