setting up .env environment

Author: Bunlong

.env

@@ -0,0 +1,12 @@
+APP_NAME=Express
+APP_ENV=local
+APP_DEBUG=true
+APP_LOG_LEVEL=debug
+
+DB_CONNECTION=mongodb
+DB_HOST=localhost
+DB_PORT=27017
+DB_DATABASE=emmra
+
+MEMCACHED_HOST=localhost
+MEMCACHED_PORT=11211

bin/www

@@ -27,6 +27,12 @@ global.memcachedMiddleware = (duration) => {
   }
 };
 
+/**
+ * Load .env file.
+ */
+
+require('dotenv').config();
+
 /**
  * Module dependencies.
  */
@@ -43,11 +49,11 @@ var mongoose = require('mongoose');
 var Memcached = require('memcached');
 
 /**
- * Variable for connecting to memcached and mongodb
+ * Variable for connecting to memcached and mongodb.
  */
 
-var dbURI = 'mongodb://localhost:27017/emmra', 
-    memcachedURI = 'localhost:11211';
+var dbURI = `${process.env.DB_CONNECTION}://${process.env.DB_HOST}:${process.env.DB_PORT}/${process.env.DB_DATABASE}`, 
+    memcachedURI = `${process.env.MEMCACHED_HOST}:${process.env.MEMCACHED_PORT}`;
 
 /**
  * Get port from environment and store in Express.
@@ -63,7 +69,7 @@ app.set('port', port);
 var server = http.createServer(app);
 
 /**
- * Connect to mongodb using mongoose npm module
+ * Connect to mongodb using mongoose npm module.
  */
 
 mongoose.connect(dbURI);

package-lock.json

@@ -8,6 +8,7 @@
   "dependencies": {
     "cookie-parser": "~1.4.3",
     "debug": "~2.6.9",
+    "dotenv": "^6.0.0",
     "express": "~4.16.0",
     "http-errors": "~1.6.2",
     "memcached": "^2.2.2",