Fix Koyeb deployment configuration

- Update build command to use pnpm instead of npm
- Fix frontend build process in Koyeb config
- Update API URL configuration for production
- Fix database initialization in Dockerfile
- Ensure proper static file serving for SPA

.koyeb/koyeb.yaml

@@ -6,8 +6,8 @@ services:
     type: web
     git:
       branch: master
-      build_command: npm ci
-      run_command: npm start
+      build_command: npm install -g pnpm@9.0.0 && pnpm install --frozen-lockfile && pnpm run build
+      run_command: pnpm start
     instance_type: nano
     ports:
       - port: 8000

Dockerfile

@@ -33,4 +33,4 @@ ENV PORT=8000
 EXPOSE 8000
 
 # 初始化数据库并启动应用
-CMD ["sh", "-c", "pnpm run db:init && pnpm start"]
+CMD ["sh", "-c", "node server/scripts/initDatabase.cjs && node server/index.cjs"]

src/lib/localApi.ts

@@ -3,7 +3,8 @@
 
 // 强制在开发环境使用正确的后端地址
 const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || 
-  (import.meta.env.DEV ? 'http://localhost:3001/api' : `${window.location.origin}/api`);
+  (import.meta.env.DEV ? 'http://localhost:3001/api' : 
+   (window.location.hostname.includes('koyeb.app') ? `${window.location.origin}/api` : `${window.location.origin}/api`));
 
 // 调试信息
 console.log('API_BASE_URL:', API_BASE_URL);