basic backend init

backend/src/main.rs

@@ -1,3 +1,17 @@
-fn main() {
-    println!("Hello, world!");
+mod server;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    dotenv::dotenv().ok();
+
+    env_logger::builder()
+        .format_target(false)
+        .filter_level(log::LevelFilter::Info)
+        .parse_env("LOG_LEVEL")
+        .parse_default_env()
+        .init();
+
+    server::start().await?;
+
+    Ok(())
 }

backend/src/server.rs

@@ -0,0 +1,27 @@
+use std::{env, error::Error};
+
+use axum::Router;
+use tokio::net::TcpListener;
+use tower_http::services::ServeDir;
+
+pub(super) async fn start() -> Result<(), Box<dyn Error>> {
+    let mut app = Router::new();
+
+    if !cfg!(debug_assertions) {
+        let frontend_path = env::var("STATIC_FRONTEND_DIR").unwrap_or("./frontend".to_string());
+        let frontend_service = ServeDir::new(frontend_path);
+
+        log::debug!("Registering static frontend");
+        app = app.fallback_service(frontend_service);
+    }
+
+    let addr = env::var("BIND_ADDRESS").unwrap_or("127.0.0.1:8080".to_string());
+
+    let listener = TcpListener::bind(&addr).await?;
+
+    log::info!("Listening on {}", addr);
+
+    axum::serve(listener, app).await?;
+
+    Ok(())
+}