Explore Yelp's journey in developing a sophisticated HTTP ingress proxy in this 30-minute conference talk by Chris Kuehl. Delve into the challenges faced, strategies implemented, and the rationale behind building a custom solution. Gain insights into Yelp's infrastructure, web request handling, and middleware implementation. Understand the effectiveness of their approach, traffic routing techniques, and the decision-making process for selecting OpenResty as the proxy solution. Examine prototypes, reflect on lessons learned, and participate in a Q&A session to deepen your understanding of advanced proxy systems in large-scale web applications.