actualziacon del .env

conf/connection.js

@@ -1,9 +1,9 @@
 var mysql = require('mysql');
 var connection = mysql.createConnection({
-    host: 'localhost',
-    user: 'root',
-    password: 'george',
-    database: 'coloquio_educacion'
+    host: process.env.HOSTDB,
+    user: process.env.USERDB,
+    password: process.env.PASSDB,
+    database: process.env.DB
 });
 
 module.exports = connection;