Connecting to PostgreSQL with Diesel

Now that our database is running, we will build a connection to this database in this section. To do this, we will be using the diesel crate. The diesel crate enables us to get our Rust code to connect to databases. We are using the diesel crate instead of other crates because the diesel crate is the most established, having a lot of support and documentation. To do this, let us go through the following steps:

1. First, we will utilize the diesel crate. To do this, we can add the following dependencies in our cargo.toml file:

   diesel = { version = "1.4.8", features = ["postgres", 

                                             "chrono", 

                ...