When it comes to Java web servers, Apache Tomcat remains a strong favorite. Some of these instances have been containerized over the years, but many still run in the traditional setup of a Linux-based virtual machine or even on bare metal.
Red Hat JBoss Web Server (JWS) combines the servlet engine (Apache Tomcat) with the web server (Apache HTTPD), and modules for load balancing (mod_jk and mod_cluster). Ansible is an automation tool that provides a suite of tools for managing an enterprise at scale.