添加docker构建配置

SmyWorkCollect-Frontend/Dockerfile

@@ -0,0 +1,29 @@
+# 前端构建阶段
+FROM node:18-alpine as builder
+
+WORKDIR /app
+
+# 复制 package 文件
+COPY package*.json ./
+
+# 安装依赖
+RUN npm install
+
+# 复制源代码
+COPY . .
+
+# 构建前端
+RUN npm run build
+
+# Nginx 运行阶段
+FROM nginx:alpine
+
+# 复制构建产物到 nginx
+COPY --from=builder /app/build /usr/share/nginx/html
+
+# 复制 nginx 配置
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]