title: How to build wso2am docker with customizing?
body: <p>I add some new java class in carbon-apimgt source code,which was cloned from github.
  After building with command &quot;mvn clean install -Dmaven.test.skip=true&quot;, i get some changed jar and wars , and i replace it to wso2am-4.0.0 server path corresponding, it works fine as i can access [1] [2] [3] from browser.</p>
  <pre><code>    [1]. https://localhost:9994/publisher [2]. https://localhost:9994/devportal[3]. https://localhost:9994/carbon[4]. https://localhost:9994/admin
  </code></pre>
  <p>All this are runned by wso2am-4.0.0.zip binnary.I need to make a docker image and run it in centos or ubunto , so how can i do to build a docker image to run anywhere, and use mysql instead h2?</p>