What is wildfly?

WildFly is an application server, essentially a piece of software that runs Java-based web applications and services. Think of it as a host environment where your application's code lives and operates, handling the behind-the-scenes work so developers can focus on building features rather than managing infrastructure. It's designed to start up fast, use minimal system resources, and stay easy to configure and manage. At a high level, an application server sits between your operating system and your application code. When someone visits a website or calls an API backed by Java, the application server receives that request, processes it through the application's logic, and sends back a response. WildFly uses a modular design, meaning it loads only the components it actually needs rather than everything at once, which is why it starts quickly and keeps a small footprint. It can run in standalone mode for a single server or domain mode for managing multiple servers together. This project would be used by teams building Java EE applications, think enterprise web apps, internal business tools, or backend services for larger systems. For example, a company running a customer portal or an order processing system in Java might deploy that application on WildFly. It's particularly relevant for organizations invested in the Java EE ecosystem who want a lightweight, well-established server option. WildFly is an open-source project with a long history in the Java world (it's the successor to JBoss AS). It's licensed under the GNU Lesser General Public License, which allows it to be used freely in both open-source and commercial projects. The repository includes a comprehensive test suite covering everything from basic smoke tests to clustering and domain management features, reflecting its enterprise-grade reliability expectations.