diff --git a/Dockerfile b/Dockerfile
index c332e56..2990785 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,4 @@
-# Build Stage
-FROM node:18-alpine as builder
+FROM node:18-alpine
 
 WORKDIR /app
 
@@ -11,15 +10,11 @@ RUN npm ci
 COPY . .
 RUN npm run build
 
-# Production Stage
-FROM nginx:alpine
-
-# Copy built assets from builder stage
-COPY --from=builder /app/dist /usr/share/nginx/html
-
-# Copy custom nginx config if needed (using default for now)
-# COPY nginx.conf /etc/nginx/conf.d/default.conf
+# Use a simple Node static server instead of nginx
+RUN npm install -g serve
 
 EXPOSE 80
 
-CMD ["nginx", "-g", "daemon off;"]
+# Serve the built SPA on port 80, with history fallback so /admin 等前端路由都可直接访问
+CMD ["serve", "-s", "dist", "-l", "80"]
+