From b7b3a0df3699c42624bef27324e1f33fa2ff34ef Mon Sep 17 00:00:00 2001
From: patdelphi <patdelphi@outlook.com>
Date: Tue, 26 Aug 2025 12:48:20 +0800
Subject: [PATCH] fix: set explicit MIME types for static files in Koyeb
 deployment

- Add setHeaders configuration to express.static middleware
- Explicitly set Content-Type for CSS files as 'text/css'
- Explicitly set Content-Type for JS files as 'application/javascript'
- Add MIME type support for fonts, images, and other assets
- Resolve Koyeb deployment MIME type errors
---
 server/index.cjs | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/server/index.cjs b/server/index.cjs
index 5c3374b..9ad627f 100644
--- a/server/index.cjs
+++ b/server/index.cjs
@@ -155,7 +155,32 @@ if (isProduction) {
     console.log('dist目录内容:', fs.readdirSync(distPath));
   }
   
-  app.use(express.static(distPath));
+  // 配置静态文件服务，明确设置MIME类型
+  app.use(express.static(distPath, {
+    setHeaders: (res, path) => {
+      if (path.endsWith('.css')) {
+        res.setHeader('Content-Type', 'text/css');
+      } else if (path.endsWith('.js')) {
+        res.setHeader('Content-Type', 'application/javascript');
+      } else if (path.endsWith('.mjs')) {
+        res.setHeader('Content-Type', 'application/javascript');
+      } else if (path.endsWith('.json')) {
+        res.setHeader('Content-Type', 'application/json');
+      } else if (path.endsWith('.woff') || path.endsWith('.woff2')) {
+        res.setHeader('Content-Type', 'font/woff2');
+      } else if (path.endsWith('.ttf')) {
+        res.setHeader('Content-Type', 'font/ttf');
+      } else if (path.endsWith('.svg')) {
+        res.setHeader('Content-Type', 'image/svg+xml');
+      } else if (path.endsWith('.png')) {
+        res.setHeader('Content-Type', 'image/png');
+      } else if (path.endsWith('.jpg') || path.endsWith('.jpeg')) {
+        res.setHeader('Content-Type', 'image/jpeg');
+      } else if (path.endsWith('.webp')) {
+        res.setHeader('Content-Type', 'image/webp');
+      }
+    }
+  }));
   
   // SPA路由处理 - 只处理非API请求
   app.get('*', (req, res, next) => {