Tomcat UserDatabaseRealm users file example

tomcat-users.xml.template

<?xml version="1.0" encoding="UTF-8"?>
<!-- /usr/local/tomcat/conf/tomcat-users.xml -->
<tomcat-users xmlns="http://tomcat.apache.org/xml"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"
              version="1.0">
  <role rolename="admin"/>
  <user username="RECIPEBOOK_USER" password="RECIPEBOOK_PASSWORD" roles="admin"/>
</tomcat-users>

# set RECIPEBOOK_USER and RECIPEBOOK_PASSWORD env vars and run:
sed -e "s/RECIPEBOOK_USER/$RECIPEBOOK_USER/" -e "s/RECIPEBOOK_PASSWORD/$RECIPEBOOK_PASSWORD/" tomcat-users.xml.template > /usr/local/tomcat/conf/tomcat-users.xml