Add assets microservice base

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

backend/assets/src/main.rs

@@ -0,0 +1,39 @@
+use axum::{
+    routing::{delete, get, post},
+    Extension, Router, Server,
+};
+use common::alpaca::create_alpaca_pool;
+use dotenv::dotenv;
+use sqlx::PgPool;
+use std::{env, error::Error, net::SocketAddr};
+
+mod routes;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
+    dotenv().ok();
+
+    let database_pool = PgPool::connect(&env::var("DATABASE_URL").unwrap()).await?;
+
+    let alpaca_pool = create_alpaca_pool(
+        &env::var("APCA_API_BASE_URL").unwrap(),
+        &env::var("APCA_API_KEY_ID").unwrap(),
+        &env::var("APCA_API_SECRET_KEY").unwrap(),
+        10,
+    )?;
+
+    let app = Router::new()
+        .route("/assets", get(routes::get_assets))
+        .route("/assets/:symbol", get(routes::get_asset))
+        .route("/assets", post(routes::add_asset))
+        .route("/assets/:symbol", post(routes::update_asset))
+        .route("/assets/:symbol", delete(routes::delete_asset))
+        .layer(Extension(database_pool))
+        .layer(Extension(alpaca_pool));
+
+    let addr = SocketAddr::from(([0, 0, 0, 0], 7878));
+    println!("Listening on {}...", addr);
+    Server::bind(&addr).serve(app.into_make_service()).await?;
+
+    Ok(())
+}