Launching a basic Actix Web server

Building with Cargo is straightforward. All we need to do is navigate to a directory where we want to build our project and run the following command:

cargo new web_app

The preceding command builds a basic Cargo Rust project. When we explore this application, we get the following structure:

└── web_app
    ├── Cargo.toml
    └── src
         └── main.rs

We can now define our Actix Web dependency in our Cargo.toml file with the following code:

[dependencies]
actix-web = "4.0.1"

As a result of the preceding code, we can now move on to building the web application. For now, we will put it all in our src/main.rs file with the following code:

use actix_web::{web, App, HttpServer, Responder, 
           ...