Replace startup compression with memory-serve

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 2.4.1
+
+- Replace rust-embed + startup brotli/gzip compression with memory-serve (build-time compression, zero startup cost)
+- Remove rust-embed, brotli, flate2, mime_guess dependencies
+- Closes #613
+
 ## 2.4.0
 
 - Upgrade axum 0.7 to 0.8, ws-bridge 0.1 to 0.2, tokio-tungstenite 0.24 to 0.28

Cargo.toml

@@ -3,7 +3,7 @@ members = ["shared", "backend", "frontend", "proxy", "claude-session-lib", "laun
 resolver = "2"
 
 [workspace.package]
-version = "2.4.0"
+version = "2.4.1"
 edition = "2021"
 authors = ["Matthew Goodman <d3a6d0cec0c16f3e@inboxnegative.com>"]
 

backend/Cargo.toml

@@ -71,10 +71,10 @@ clap = { version = "4.5", features = ["derive"] }
 tower-cookies = { version = "0.11", features = ["signed"] }
 bigdecimal = "0.4.10"
 google-cognitive-apis = { version = "0.2.2", features = ["speech-to-text"] }
-rust-embed = { version = "8.11.0", features = ["axum", "mime-guess"] }
-mime_guess = "2.0.5"
-brotli = "8.0"
-flate2 = "1.0"
+memory-serve = "2.1"
 ws-bridge = { workspace = true, features = ["server"] }
 tower_governor = "0.8.0"
 governor = "0.8"
+
+[build-dependencies]
+memory-serve = "2.1"

backend/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    memory_serve::load_directory("../frontend/dist");
+}

backend/src/main.rs

@@ -1,6 +1,5 @@
 mod auth;
 mod db;
-mod embedded_assets;
 mod errors;
 mod handlers;
 mod jwt;
@@ -22,7 +21,6 @@ use tower_cookies::{CookieManagerLayer, Key};
 use tower_governor::governor::GovernorConfigBuilder;
 use tower_governor::key_extractor::SmartIpKeyExtractor;
 use tower_governor::GovernorLayer;
-use tower_http::compression::CompressionLayer;
 use tower_http::cors::{Any, CorsLayer};
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
@@ -537,17 +535,18 @@ async fn main() -> anyhow::Result<()> {
         .merge(auth_device_routes)
         .merge(download_routes)
         // Serve embedded frontend assets with SPA fallback
-        .fallback(axum::routing::get(embedded_assets::serve_embedded_frontend));
-
-    // Pre-compress all embedded assets at startup (brotli + gzip)
-    embedded_assets::init_cache();
-    tracing::info!("Serving embedded frontend assets");
+        .merge(
+            memory_serve::load!()
+                .index_file(Some("/index.html"))
+                .fallback(Some("/index.html"))
+                .fallback_status(axum::http::StatusCode::OK)
+                .html_cache_control(memory_serve::CacheControl::NoCache)
+                .cache_control(memory_serve::CacheControl::Long)
+                .into_router(),
+        );
 
     // Add CORS and cookie management
-    let app = app
-        .layer(CompressionLayer::new())
-        .layer(CookieManagerLayer::new())
-        .layer(cors);
+    let app = app.layer(CookieManagerLayer::new()).layer(cors);
 
     // Spawn background task to broadcast user spend updates
     {