Add managed Alpaca pool

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

backend/src/routes/mod.rs

@@ -1,16 +1,15 @@
-use crate::pool::AlpacaPool;
+use crate::pool::{alpaca::AlpacaPool, postgres::PostgresPool};
 use axum::{
     routing::{delete, get, post},
     Extension, Router, Server,
 };
 use log::info;
-use sqlx::PgPool;
 use std::net::SocketAddr;
 
 pub mod assets;
 
-pub async fn initialize_api(
-    database_pool: PgPool,
+pub async fn run_api(
+    postgres_pool: PostgresPool,
     alpaca_pool: AlpacaPool,
 ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
     let app = Router::new()
@@ -19,7 +18,7 @@ pub async fn initialize_api(
         .route("/assets", post(assets::add_asset))
         .route("/assets/:symbol", post(assets::update_asset))
         .route("/assets/:symbol", delete(assets::delete_asset))
-        .layer(Extension(database_pool))
+        .layer(Extension(postgres_pool))
         .layer(Extension(alpaca_pool));
 
     let addr = SocketAddr::from(([0, 0, 0, 0], 7878));