Introducing the Actix Web framework

At the time of writing, Actix Web is the most popular Rust web framework as can be seen from the activity on the GitHub page. You might be tempted to jump into another framework that looks more ergonomic, such as Rocket, or one that is faster and more lightweight, such as Hyper. We will be covering these frameworks later in this book over various different chapters; however, we must remember that we are trying to get our heads around web programming in Rust first. Considering that we are new to Rust and web programming, Actix Web is a great start. It is not too low-level that we will get caught up with just trying to get a server to handle a range of views, database connections, and authentication. It is also popular, stable, and has a lot of documentation. This will facilitate a pleasant programming experience when trying to go beyond the book and develop your own web application. It is advised that you get comfortable with Actix Web before moving...