docker-files/tomcat-users.xml

<?xml version="1.0" encoding="utf-8"?>
<tomcat-users>
  <role rolename="manager-gui"/>
  <role rolename="manager-script"/>
  <role rolename="manager-jmx"/>
  <role rolename="manager-status"/>
  <role rolename="admin"/>

  <user username="admin" password="admin" roles="manager,manager-gui,manager-script,manager-jmx,manager-status"/>
</tomcat-users>