server {
    listen 80;
    server_name localhost;

    # 根目录配置
    root /usr/share/nginx/html;
    index index.html;

    # 禁用缓存，便于开发和调试
    add_header Cache-Control "no-cache, no-store, must-revalidate";
    add_header Pragma "no-cache";
    add_header Expires "0";

    # 健康检查端点
    location /health {
        access_log off;
        return 200 "healthy\n";
        add_header Content-Type text/plain;
    }

    # 静态资源配置（带缓存）
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        add_header Access-Control-Allow-Origin "*";
    }

    # 反向代理到API网关
    location /api/ {
        proxy_pass http://localhost:8080/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_read_timeout 30s;
        proxy_connect_timeout 10s;
    }

    # Vue Router SPA 配置 - 所有非API请求都返回 index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # 禁用特定文件访问
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }

    location ~ ~$ {
        deny all;
        access_log off;
        log_not_found off;
    }

    # 错误页面配置
    error_page 404 /index.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }

    # 日志配置
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log warn;
}