From 97b28031671e7c017502342411c84505ccce9dbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julien=20Valverd=C3=A9?= <julien.valverde@mailo.com>
Date: Sat, 13 Sep 2025 01:37:48 +0200
Subject: [PATCH] serveWebappDist

---
 packages/server/src/http.ts | 51 ++++++++++++++++++++++++-------------
 1 file changed, 33 insertions(+), 18 deletions(-)

diff --git a/packages/server/src/http.ts b/packages/server/src/http.ts
index 1cb25b8..59936f6 100644
--- a/packages/server/src/http.ts
+++ b/packages/server/src/http.ts
@@ -1,5 +1,5 @@
-import { HttpMiddleware, HttpRouter, HttpServer, HttpServerResponse, Path } from "@effect/platform"
-import { Console, Effect, flow, Layer } from "effect"
+import { FileSystem, HttpMiddleware, HttpRouter, HttpServer, HttpServerRequest, HttpServerResponse, Path } from "@effect/platform"
+import { Duration, Effect, flow } from "effect"
 
 
 const router = HttpRouter.empty.pipe(
@@ -13,23 +13,38 @@ export const HttpAppDevelopment = router.pipe(
     HttpServer.withLogAddress,
 )
 
-export const HttpAppProduction = Effect.Do.pipe(
-    Effect.bind("path", () => Path.Path),
-    Effect.bind("webappDist", ({ path }) => Effect.map(
-        path.fromFileUrl(new URL(".", import.meta.resolve("@website/webapp"))),
-        v => path.join(v, "dist"),
+
+const serveWebappDist = Effect.fnUntraced(function*(file: string) {
+    const path = yield* Path.Path
+    const fs = yield* FileSystem.FileSystem
+    const source = path.join(
+        yield* path.fromFileUrl(new URL(".", import.meta.resolve("@website/webapp"))),
+        "dist", file,
+    )
+    const exists = yield* fs.stat(source).pipe(
+        Effect.andThen(stat => stat.type === "File"),
+        Effect.catchAll(() => Effect.succeed(false)),
+    )
+
+    return exists
+        ? yield* HttpServerResponse.setHeader(
+            yield* HttpServerResponse.file(source),
+            "Cache-Control",
+            `public, max-age=${Duration.toSeconds("365 days")}, immutable`
+        )
+        : yield* HttpServerResponse.setStatus(HttpServerResponse.empty(), 404)
+})
+
+export const HttpAppProduction = router.pipe(
+    HttpRouter.all("/assets/*", Effect.andThen(
+        HttpServerRequest.HttpServerRequest,
+        req => serveWebappDist(req.url),
     )),
+    HttpRouter.all("*", serveWebappDist("index.html")),
 
-    Effect.map(({ path, webappDist }) => router.pipe(
-        HttpRouter.all("/", HttpServerResponse.file(path.join(webappDist, "index.html"))),
-        HttpRouter.all("/assets", HttpServerResponse.file(path.join(webappDist, "assets"))),
-
-        HttpServer.serve(flow(
-            HttpMiddleware.logger,
-            HttpMiddleware.xForwardedHeaders,
-        )),
-        HttpServer.withLogAddress,
+    HttpServer.serve(flow(
+        HttpMiddleware.logger,
+        HttpMiddleware.xForwardedHeaders,
     )),
-
-    Layer.unwrapEffect,
+    HttpServer.withLogAddress,
 )