Serve favicon on /favicon.ico

src/server/main.rs

@@ -2,8 +2,10 @@ use dioxus::{
     fullstack::axum::{Router, middleware::from_fn},
     server::axum::Extension,
 };
+use tower_http::services::ServeFile;
 
 use crate::App;
+use crate::app::LOGO_ICO;
 use crate::server::{
     auth::build_auth_layer,
     config::{self, Config},
@@ -47,13 +49,28 @@ async fn router_setup(config: Config) -> Result<Router> {
         .await
         .err_context("Failed key-value store setup")?;
 
+    let favicon_path = {
+        // Resolve the favicon path
+        let asset_path = LOGO_ICO.resolve();
+
+        // If the asset path starts with "/", strip it. Otherwise it behaves as an "absolute path"
+        // and replaces the base path in the join operation. This is necessary because Dioxus will
+        // produce a path like "/assets/" in the call to `resolve`
+        let asset_path_rel = asset_path.strip_prefix("/").unwrap_or(&asset_path);
+
+        config.server.public_path.join(asset_path_rel)
+    };
+
+    tracing::debug!("Favicon path: {}", favicon_path.display());
+
     let auth_layer = build_auth_layer(db_pool.clone(), key_val_pool, config.auth.cookies_secure);
 
     let router = dioxus::server::router(App)
         .layer(from_fn(require_auth_middleware))
         .layer(Extension(config))
         .layer(Extension(db_pool))
-        .layer(auth_layer);
+        .layer(auth_layer)
+        .nest_service("/favicon.ico", ServeFile::new(favicon_path));
 
     tracing::info!("Setup complete, returning Router...");
     Ok(router)