添加docker文件

Dockerfile

@@ -1,12 +1,21 @@
-FROM node:18-alpine
-
-WORKDIR /app
-
-COPY package*.json ./
-RUN npm install --production
-
+# 第一阶段：node镜像打包
+FROM node:20-alpine AS frontend-builder
+WORKDIR /build-app
 COPY . .
+RUN npm install
+RUN npm add -D vitepress
+RUN npm run docs:build
 
-EXPOSE 3000
+# 第二阶段：nginx打包
+FROM nginx:1.25-alpine 
+EXPOSE 80
+WORKDIR /app
+# 替换nginx配置
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+# 将第一阶段的静态文件复制到nginx中
+RUN rm -rf /usr/share/nginx/html
+RUN mkdir /usr/share/nginx/html
+COPY --from=frontend-builder /build-app/docs/.vitepress/dist /usr/share/nginx/html
 
-CMD ["node", "index.js"]
+# 运行
+CMD ["nginx", "-g", "daemon off;"]