simple-web-app

commit 628eacfe094f6c0c59c5d10a312ae20abc2d158f
parent 799c3db15832316cd75854b4a80f39b243da3eb6
Author: Silas Brack <silasbrack@gmail.com>
Date:   Sat, 25 Apr 2026 11:25:56 +0200

fix: embed static files for Nix deployment

ServeDir doesn't work when running from Nix store.
Use include_bytes! to embed CSS at compile time.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Diffstat:
M
Cargo.lock
 | 
15
---------------
M
Cargo.toml
 | 
2
+-
M
src/routes.rs
 | 
46
+++++++++++++++++++++++++++++++++++++++++++---

3 files changed, 44 insertions(+), 19 deletions(-)
diff --git a/Cargo.lock b/Cargo.lock
@@ -273,12 +273,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "http-range-header"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9171a2ea8a68358193d15dd5d70c1c10a2afc3e7e4c5bc92bc9f025cebd7359c"
-
-[[package]]
 name = "httparse"
 version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -633,7 +627,6 @@ version = "1.52.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b67dee974fe86fd92cc45b7a95fdd2f99a36a6d7b0d431a231178d3d670bbcc6"
 dependencies = [
- "bytes",
  "libc",
  "mio",
  "pin-project-lite",
@@ -692,21 +685,13 @@ dependencies = [
  "bitflags",
  "bytes",
  "futures-core",
- "futures-util",
  "http",
  "http-body",
- "http-body-util",
- "http-range-header",
- "httpdate",
- "mime",
- "mime_guess",
- "percent-encoding",
  "pin-project-lite",
  "tokio",
  "tokio-util",
  "tower-layer",
  "tower-service",
- "tracing",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 axum = "0.8"
 askama = "0.12"
 tokio = { version = "1", features = ["macros", "rt-multi-thread", "net"] }
-tower-http = { version = "0.6", features = ["compression-gzip", "fs"] }
+tower-http = { version = "0.6", features = ["compression-gzip"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 thiserror = "2"
diff --git a/src/routes.rs b/src/routes.rs
@@ -1,9 +1,48 @@
-use axum::{routing::{get, post}, Router};
-use tower_http::services::ServeDir;
+use axum::{
+    Router,
+    body::Body,
+    http::{StatusCode, header},
+    response::{IntoResponse, Response},
+    routing::{get, post},
+};
 
 use crate::handlers;
 use crate::state::AppState;
 
+// Embed static files at compile time
+const STYLE_CSS: &[u8] = include_bytes!("../static/style.css");
+const STYLE_CSS_GZ: &[u8] = include_bytes!("../static/style.css.gz");
+
+async fn serve_style(headers: axum::http::HeaderMap) -> Response {
+    // Check if client accepts gzip
+    let accepts_gzip = headers
+        .get(header::ACCEPT_ENCODING)
+        .and_then(|v| v.to_str().ok())
+        .map(|s| s.contains("gzip"))
+        .unwrap_or(false);
+
+    if accepts_gzip {
+        Response::builder()
+            .status(StatusCode::OK)
+            .header(header::CONTENT_TYPE, "text/css")
+            .header(header::CONTENT_ENCODING, "gzip")
+            .header(header::CACHE_CONTROL, "public, max-age=31536000")
+            .body(Body::from(STYLE_CSS_GZ))
+            .unwrap()
+    } else {
+        Response::builder()
+            .status(StatusCode::OK)
+            .header(header::CONTENT_TYPE, "text/css")
+            .header(header::CACHE_CONTROL, "public, max-age=31536000")
+            .body(Body::from(STYLE_CSS))
+            .unwrap()
+    }
+}
+
+async fn static_404() -> impl IntoResponse {
+    (StatusCode::NOT_FOUND, "Not found")
+}
+
 pub fn create_router(state: AppState) -> Router {
     Router::new()
         .route("/", get(handlers::show_home_page))
@@ -15,6 +54,7 @@ pub fn create_router(state: AppState) -> Router {
         .route("/login", post(handlers::login))
         .route("/register", get(handlers::show_register))
         .route("/register", post(handlers::register))
-        .nest_service("/static", ServeDir::new("static").precompressed_gzip())
+        .route("/static/style.css", get(serve_style))
+        .route("/static/{*path}", get(static_404))
         .with_state(state)
 }