title: Azure: container didn't respond to HTTP pings on port: 8080
body: <p>I've suddenly started getting this error even though my app runs fine locally.</p>
  <p>I'm running a rails app on Azure App Service.</p>
  <p>I've tried setting an application setting PORT to 80 and my WEBSITES_PORT to 8080 with no luck.</p>
  <p>puma.rb includes this</p>
  <pre><code>port        ENV.fetch(&quot;PORT&quot;) { 3000 }
  </code></pre>
  <p>I've tried changing this to 8080 with no luck after deploying to Azure.</p>
  <p>After looking online I'm really stuck as to why this is happening suddenly</p>