title: Undefined process.env variable with dotenv and nodejs
body: <p>I have a problem with the dotenv package.</p>
  <p>My application folder:</p>
  <pre><code> |_app_folder
        |_app.js
        |_password.env
        |_package.json
  </code></pre>
  <p>I've of course install dotenv, but when i tried to log a process.env variables, the result is always undefined, please can you help me ?</p>
  <p><strong>password.env</strong> :</p>
  <pre><code>//password.env 
  CLIENT_ID=xxxxxxxx
  </code></pre>
  <p><strong>app.js</strong> :</p>
  <pre><code>//app.js
  const express = require('express');
  const app = express();
  const Twig = require(&quot;twig&quot;);
  
  //Require dotenv
  require('dotenv').config();
  
  // Setting the Twig options
  app.set(&quot;twig options&quot;, {
      allow_async: true, 
      strict_variables: false
  });
  
  app.get('/', function (req, res) {
    //Trying to log it
    console.log(process.env.CLIENT_ID);
    //
    res.render('index.twig', {
      date : new Date().toString()
    });
  });
  
  app.get('/instagram',function(req,res){
    // Building the URL
    let url = 'https://api.instagram.com/oauth/authorize/?client_id=';
    // Redirect to instagram for oauth 
    res.redirect(url);
  })
  
  app.listen(3000, function () {
    console.log('Running');
  })
  </code></pre>
  <p>Thank you for your time.</p>