Environment variables at runtime to connect to database

src/main.rs

@@ -1,5 +1,4 @@
-use secrecy::ExposeSecret;
-use sqlx::PgPool;
+use sqlx::postgres::PgPoolOptions;
 use tokio::net::TcpListener;
 use zero2prod::{configuration::get_configuration, startup::run, telemetry::init_subscriber};
 
@@ -14,8 +13,7 @@ async fn main() {
     .await
     .unwrap();
     tracing::debug!("listening on {}", listener.local_addr().unwrap());
-    let connection_pool =
-        PgPool::connect_lazy(configuration.database.connection_string().expose_secret()).unwrap();
+    let connection_pool = PgPoolOptions::new().connect_lazy_with(configuration.database.with_db());
 
     run(listener, connection_pool).await
 }