feat: add Docker support for automated deployment

Dockerfile.frontend

@@ -0,0 +1,35 @@
+# 医院绩效考核系统 - 前端 Dockerfile
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+# 复制 package 文件
+COPY frontend/package*.json ./
+
+# 安装依赖
+RUN npm install --production
+
+# 复制源代码
+COPY frontend/ ./
+
+# 构建前端
+RUN npm run build
+
+# 生产阶段：使用 Nginx
+FROM nginx:alpine
+
+# 复制构建产物
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# 复制 Nginx 配置
+COPY frontend/nginx.conf /etc/nginx/conf.d/default.conf
+
+# 暴露端口
+EXPOSE 80
+
+# 健康检查
+HEALTHCHECK --interval=30s --timeout=3s \
+    CMD wget --quiet --tries=1 --spider http://localhost/ || exit 1
+
+# 启动 Nginx
+CMD ["nginx", "-g", "daemon off;"]