title: service unable to place a task
body: <p>Ok, I am lost with where to to even troubleshoot this.  I am trying to spin up a stack that has a basic app running in ECS. I will show the cloudformation below.  But I keep getting:</p>
  
  <blockquote>
    <p>service sos-ecs-SosEcsService-1RVB1U5QXTY9S was unable to place a task
    because no container instance met all of its requirements. Reason: No
    Container Instances were found in your cluster. For more information,
    see the Troubleshooting section.</p>
  </blockquote>
  
  <p>I get 2 EC2 instances up and running but neither appear in the ECS cluster instances.</p>
  
  <p>Here are a few of my theories:</p>
  
  <ul>
  <li>is my user_data correct? do i need to sub the values?</li>
  <li>what about the health check</li>
  <li>my app is a sinatra app that uses port 4567. am i missing something with that?</li>
  </ul>
  
  <p>Also, I basically started with this, <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-ecs.html" rel="nofollow noreferrer">http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-ecs.html</a> and just streamlined it. So here is my current json, <a href="https://gist.github.com/kidbrax/388e2c2ae4d622b3ac4806526ec0e502" rel="nofollow noreferrer">https://gist.github.com/kidbrax/388e2c2ae4d622b3ac4806526ec0e502</a></p>
  
  <p>On a side note, how could I simplify this to take out all autoscaling? Just want to get it working in some form or fashion?</p>