title: How can I get the user's IP-Address in my Cloud-Run Flask app?
body: <p>I have a Flask app running via Google Cloud Run and I need to know the user's IP-Address.
  I am using gunicorn as my Server.
  I have tried the following code:</p>
  <pre><code>request.remote_addr
  request.environ['REMOTE_ADDR']
  request.environ.get('HTTP_X_REAL_IP', request.remote_addr)
  </code></pre>
  <p>It is returning this IP-Address: <code>169.254.8.129</code> which is <strong>not</strong> mine.
  Is this maybe the IP of a Load-Balancer between the app and the user?</p>
  <p>And is there a way to get the correct IP-Address without having to use additional Services?</p>