At Modal, we built an HTTP and WebSocket stack on our platform. In other words, your serverless functions can take web requests. This was tricky! HTTP has quite a few edge cases, so we used Rust for its speed and to help manage the complexity. But even so, it took a while to get right. We recently wrapped up this feature by introducing full WebSocket support (real-time bidirectional messaging). We call this service modal-http, and it sits between the Web and our core runtime. You can deploy a si...