HTTP Client in C#: Best Practices for Experts

This guide explores advanced best practices for using `HttpClient` in C#. It covers the creation of `HttpClient` instances using various methods like constructors, static instances, `IHttpClientFactory`, named, typed, and generated clients. The article also discusses middleware techniques, resilient handling of HTTP requests using timeout, retries, and circuit-breakers, and efficient ways to issue requests and handle responses while optimizing performance to avoid common pitfalls like port exhaustion and DNS changes.