init boilerplate

config/database.js

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+// config/database.js
+module.exports = {
+    'connection': {
+        'host': 'XXXXX', // your database host address
+        'port': '3306', // your database port; default MySQL port is 3306
+        'user' : 'XXXXX', // username
+        'password': 'XXXXX' //password
+    },
+    'database': 'XXXXX',  // database name 
+    'users_table': 'XXXXXX' //table name for users
+    //... add more tables for quick changes in your Backend
+};

config/db-tests.js

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+var mysql   = require('mysql'),
+	  dbconfig= require('./database'),
+	  con 	  = mysql.createConnection(dbconfig.connection);
+
+// test mysql connection
+app.listen(process.env.PORT, process.env.IP, function () {
+    console.log("Server started");
+    var sql = 'SELECT * FROM ' + dbconfig.database + "." + dbconfig.users_table;
+    con.query(sql, function (err, rows) {
+        if (err) {
+           console.log(err);
+        } else {
+           console.log("Database reached successfully");
+        }
+    });
+});

config/mail.js

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+/*## Mail Config ##*/
+module.exports = {
+    'connection' :  {
+        'host': 'smtp.XXXXX.de', // mailserver address
+        'port': '587', //587 else 465
+        'secure': false, // true for 465, false for other ports
+        'auth': {
+            'user': 'XXXX@XXXXX.com', // username
+            'pass': 'XXXXXXXXXX' // password
+        }
+    }
+};

config/robots.js

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+const robotize = require('robotize');
+const opts = {
+    useragent: 'googlebot',
+    allow: ['index.html', 'about.html'],
+    disallow: ['404.html']
+};
+
+robotize(opts, (err, robots) => {
+    if (err) {
+        throw new Error(err);
+    } else {
+        console.log(robots);
+    }
+});

config/sitemap-generator.js

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+const SitemapGenerator = require('advanced-sitemap-generator');
+
+// create generator
+const generator = SitemapGenerator('https://XXXXXXX', { // add your site url here
+    ignoreHreflang: true,
+    maxDepth: 0,
+    filepath: path.join(process.cwd(), 'sitemap.xml'),
+    maxEntriesPerFile: 50000,
+    stripQuerystring: true,
+    excludeFileTypes: ['ico', 'bmp', 'ogg', 'webp', 'mp4', 'webm', 'mp3', 'ttf',  'woff', 'json', 'rss', 'atom', 'gz', 'zip', 'rar', '7z', 'css', 'js', 'gzip', 'exe', 'svg', 'xml'],
+    excludeURLs: ['login', 'dashboard'],
+    changeFreq: weekly,
+    filepath: sitemap.xml // path to be saved
+});
+
+// register event listeners
+generator.on('done', () => {
+    // sitemaps created
+});
+
+// start the crawler
+generator.start();