change some Dockerfile

Change-Id: I0404b5516ce32df5e88a23906a929cda6b5fb0f8
diff --git a/Dockerfile b/Dockerfile
index 99ba20b..30091d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,21 @@
-# 构建阶段
-FROM node:16 as build
+# 基础镜像
+FROM node:16
+
+# 设置工作目录
 WORKDIR /app
+
+# 复制package.json和package-lock.json
 COPY package*.json ./
+
 # 使用淘宝镜像源安装依赖
 RUN npm config set registry https://registry.npmmirror.com && \
     npm install
+
+# 复制项目文件
 COPY . .
-RUN npm run build
 
-# 生产阶段
-FROM nginx:alpine
-COPY --from=build /app/dist  /usr/share/nginx/html
-COPY nginx.conf /etc/nginx/conf.d/default.conf
-
+# 暴露端口
 EXPOSE 3004
 
-CMD ["nginx", "-g", "daemon off;"]
\ No newline at end of file
+# 启动应用
+CMD ["npm", "run", "start"]    
\ No newline at end of file