title: Why is my Docker Container not assigned with an IP Address?
body: <p>I started up a Docker Container using this command <code>docker run alpine /bin/echo 'Hello world'</code> which created a container when I looked within <code>docker ps -a</code>.</p>
  <p>I grabbed the Container ID and tried to inspect the IP Address by executing <code>sudo docker inspect &lt;container id&gt; | grep 'IPAddress'</code> which returned the IP Address as empty / null.</p>
  <p>Any idea why it is giving no IP Address when the container should be automatically assigned an IP Address once created?</p>