title: Modify the Docker image and save it for not loose the content when building the container again. How?
body: <p>Hi I need to modify the a docker image from Autoware_AI repository after build it. The problem is:</p>
  <p>A) I build the image running a .sh file:</p>
  <pre><code>cd $WORKING_DIRECTORY/docker/generic
  ./run.sh -t 1.14.0
  </code></pre>
  <p>It is specifically from Autoware: <a href="https://www.svlsimulator.com/docs/system-under-test/autoware-instructions/" rel="nofollow noreferrer">https://www.svlsimulator.com/docs/system-under-test/autoware-instructions/</a></p>
  <p>B) I modify the scripts contained inside the packages contained in Autoware folder</p>
  <p>C) When I exit the container, and later enter again the modifications are not there anymore, of coure, because the image is built from Dockerfile from scratch...</p>
  <p>To find a solution I have tried 2 different approachs:</p>
  <ol>
  <li>To modify the container and save it as described here: <a href="https://www.scalyr.com/blog/create-docker-image/" rel="nofollow noreferrer">https://www.scalyr.com/blog/create-docker-image/</a></li>
  </ol>
  <p>Issue: When  using other terminal, trying to add .txt file for Autoware_AI running container, to modify the container, Autoware_AI container does not appear as active (but it is). Just other container are avaialable when I try to copy a file to Autoware_AI:</p>
  <ol start="2">
  <li>Commit Changes To a Docker image: <a href="https://phoenixnap.com/kb/how-to-commit-changes-to-docker-image" rel="nofollow noreferrer">https://phoenixnap.com/kb/how-to-commit-changes-to-docker-image</a></li>
  </ol>
  <p>Issue: Problem to connect to Autoware_AI server and run the ros packages. This problem does not happen when building the original Docker file with .sh</p>
  <p>The complete description of my problem as well as output of terminal attempts are better described here:</p>
  <p><a href="https://answers.ros.org/question/376512/fork-autoware_ai-repository-and-create-docker-image/?answer=376583#post-id-376583" rel="nofollow noreferrer">https://answers.ros.org/question/376512/fork-autoware_ai-repository-and-create-docker-image/?answer=376583#post-id-376583</a></p>
  <p><a href="https://get-help.robotigniteacademy.com/t/fork-autoware-ai-repository-and-create-docker-image/9533/4" rel="nofollow noreferrer">https://get-help.robotigniteacademy.com/t/fork-autoware-ai-repository-and-create-docker-image/9533/4</a></p>
  <p>I am kind of new in forking,changing docker images. I do not understand how to fix this, find a solution for create my custom docker image and make it functional.</p>
  <p>Thanks very much in advance!</p>