title: How do I get the database url of AWS EC2 MySQL?
body: <p>I would like to import gtfs files into mysql by using a tool from github, runing the follwoing command:</p>
  
  <pre><code>gtfsdb-load --database_url &lt;db url&gt;  &lt;gtfs file | url&gt;
  </code></pre>
  
  <p>How can I get the <code>database_url</code> of mysql located in AWS EC2?</p>