title: Multiple IP addresses on a single Google Compute Engine instance
body: <p>I'm trying to have my GCE instance listen on multiple IP addresses (for SEO reasons - to host multiple low traffic sites on the same instance).</p>
  
  <p>Final objective: mydomain.com points to IP1, myotherdomain.es points to IP2, the GCE instance will listen on both IP1 and IP2 and serve content accordingly.</p>
  
  <p>I added a target instance pointing to my main instance and managed to create a forwarding rule like this:</p>
  
  <pre><code>gcloud compute forwarding-rules create another-ip --port 80 --target-instance MY_TARGET_INSTANCE_URL
  </code></pre>
  
  <p>It actually created an ephemeral IP address; I tried to promote it to static but I exceeded my quota (I'm currently on my 2 months free trial).</p>
  
  <p>Is this correct though? Will I be able to create any number of static IPs and point them to my only instance once the trial ends? I also couldn't find anything about pricing: I know an IP assigned to an active instance is free, but what about additional ones?</p>
  
  <p>Since this is a necessary configuration for a site I'm managing, I'd like to be sure it works before committing to moving everything on GCE.</p>