title: Expo React Native and Nodejs app - why cant I fetch data from my backend when running app using expo client app but can using ios simulator?
body: <p>I have a react native app and a nodejs app. both working together. When Im running app on the ios simulator everything works fine (I can fetch data from my backend). When Im running it using expo client app, I cannot fetch any data or post any data from my nodejs backend. I always get:</p>
  <pre><code>Possible Unhandled Promise Rejection (id: 0):
  [AxiosError: Network Error]
  </code></pre>
  <p>I run my node server locally in development. Do I need to do anything differently?</p>