A Modern Web App in C

You can deploy a web application with fewer dependencies and less operational overhead.

Corey Prophitt has developed a modern web application, marketyour.games, using C and the Common Gateway Interface (CGI) protocol, a technology largely abandoned for web development in the early 2000s. The application features user accounts, a content creator dashboard, content organization, integrated payments via Stripe, and transactional emails through Postmark. Prophitt's stack, dubbed BCHS, consists of OpenBSD, C, httpd, and SQLite. Instead of a framework, the application is a single, statically linked C binary that directly handles HTTP requests and serves all assets, including HTML and CSS, from memory. This approach results in minimal dependencies—primarily libcurl and libsodium for external services—and allows for zero-downtime deployments by simply replacing the executable file. Despite CGI's age, Prophitt argues its perceived drawbacks, such as process forking overhead, are mitigated by modern kernel optimizations and that its simplicity offers advantages over complex modern frameworks.

The revival of C and CGI for modern web development signals a potential market shift towards minimalism and reduced supply chain risk, especially in light of increasing security threats to package repositories. Developers are exploring stacks with fewer abstract layers and dependencies, favoring mature, robust languages and protocols that offer greater control and predictability. This approach prioritizes fundamental web concepts over the often complex and rapidly evolving ecosystems of modern frameworks, suggesting a growing appreciation for simplicity and longevity in software architecture.

This development directly impacts developers and organizations seeking to build resilient, easily maintainable, and secure web services. By leveraging C and CGI, they can achieve a smaller attack surface and a more manageable codebase, circumventing the often-bloated dependency graphs of contemporary stacks. The author's experience demonstrates that foundational technologies, when thoughtfully applied with modern operating system features like sandboxing, can yield high-performance, low-overhead applications that are simpler to understand, debug, and deploy, offering a viable alternative for a range of use cases.