title: curl: (7) Failed to connect to localhost port 3000: Connection refused
body: <p>I typed this into terminal </p>
  
  <pre><code>$ curl -X POST http://localhost:3000/voice
  </code></pre>
  
  <p>and I got this error </p>
  
  <pre><code>curl: (7) Failed to connect to localhost port 3000: Connection refused
  </code></pre>
  
  <p>I've looked everywhere for a solution I can understand, but found no luck. Any help is appreciated.</p>