perf: large cache time on immutable hashed statics

Cargo.lock

@@ -1589,6 +1589,7 @@ dependencies = [
  "thiserror 2.0.17",
  "time",
  "tokio",
+ "tower",
  "tower-http",
  "tower-sessions",
  "tower-sessions-sqlx-store",
@@ -2985,9 +2986,9 @@ dependencies = [
 
 [[package]]
 name = "tower"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"
+checksum = "ebe5ef63511595f1344e2d5cfa636d973292adc0eec1f0ad45fae9f0851ab1d4"
 dependencies = [
  "futures-core",
  "futures-util",

Cargo.toml

@@ -35,7 +35,8 @@ sqlx                      = { version = "0.8",     features = ["macros", "runtim
 thiserror                 = "2.0.17"
 time                      = "0.3.44"
 tokio                     = { version = "1.47.1",  features  = ["macros", "rt-multi-thread", "signal"] }
-tower-http                = { version = "0.6.6",   features = ["fs", "trace"] }
+tower = "0.5.3"
+tower-http                = { version = "0.6.6", features = ["fs", "set-header", "trace"] }
 tower-sessions            = { version = "0.14.0",  features  = ["signed"] }
 tower-sessions-sqlx-store = { version = "0.15.0",  features  = ["sqlite"] }
 tracing                   = { version = "0.1.41", features = ["attributes"] }

src/main.rs

@@ -12,7 +12,9 @@ use std::sync::{Arc, RwLock};
 use tokio::net::TcpListener;
 use tokio::signal;
 use tokio::task::AbortHandle;
+use tower::ServiceBuilder;
 use tower_http::services::{ServeDir, ServeFile};
+use tower_http::set_header::SetResponseHeaderLayer;
 use tower_sessions::{ExpiredDeletion, Expiry, SessionManagerLayer, cookie::Key};
 use tower_sessions_sqlx_store::SqliteStore;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
@@ -182,7 +184,15 @@ async fn serve(port: &u32) -> Result<(), anyhow::Error> {
         .route_layer(login_required!(Backend, login_url = "/login"))
         .merge(auth::router())
         .merge(ics::router())
-        .nest_service("/static", ServeDir::new("./hashed_static"))
+        .nest_service(
+            "/static",
+            ServiceBuilder::new()
+                .layer(SetResponseHeaderLayer::overriding(
+                    http::header::CACHE_CONTROL,
+                    http::header::HeaderValue::from_static("public, max-age=31536000, immutable"),
+                ))
+                .service(ServeDir::new("./hashed_static")),
+        )
         .nest_service(
             "/favicon.ico",
             ServeFile::new(format!("./hashed_static/{}", asset!("favicon.ico"))),

static/htmx-ext-response-targets.js

@@ -0,0 +1 @@
+(function(){var f;var o="hx-target-";function g(e,r){return e.substring(0,r.length)===r}function s(e,r){if(!e||!r)return null;var t=r.toString();var s=[t,t.substring(0,2)+"*",t.substring(0,2)+"x",t.substring(0,1)+"*",t.substring(0,1)+"x",t.substring(0,1)+"**",t.substring(0,1)+"xx","*","x","***","xxx"];if(g(t,"4")||g(t,"5")){s.push("error")}for(var n=0;n<s.length;n++){var i=o+s[n];var a=f.getClosestAttributeValue(e,i);if(a){if(a==="this"){return f.findThisElement(e,i)}else{return f.querySelectorExt(e,a)}}}return null}function n(e){if(e.detail.isError){if(htmx.config.responseTargetUnsetsError){e.detail.isError=false}}else if(htmx.config.responseTargetSetsError){e.detail.isError=true}}htmx.defineExtension("response-targets",{init:function(e){f=e;if(htmx.config.responseTargetUnsetsError===undefined){htmx.config.responseTargetUnsetsError=true}if(htmx.config.responseTargetSetsError===undefined){htmx.config.responseTargetSetsError=false}if(htmx.config.responseTargetPrefersExisting===undefined){htmx.config.responseTargetPrefersExisting=false}if(htmx.config.responseTargetPrefersRetargetHeader===undefined){htmx.config.responseTargetPrefersRetargetHeader=true}},onEvent:function(e,r){if(e==="htmx:beforeSwap"&&r.detail.xhr&&r.detail.xhr.status!==200){if(r.detail.target){if(htmx.config.responseTargetPrefersExisting){r.detail.shouldSwap=true;n(r);return true}if(htmx.config.responseTargetPrefersRetargetHeader&&r.detail.xhr.getAllResponseHeaders().match(/HX-Retarget:/i)){r.detail.shouldSwap=true;n(r);return true}}if(!r.detail.requestConfig){return true}var t=s(r.detail.requestConfig.elt,r.detail.xhr.status);if(t){n(r);r.detail.shouldSwap=true;r.detail.target=t}return true}}})})();