server {
    listen 80;
    server_name localhost;
    root /app/dist;
    index index.html index.htm;

    # 访问日志
    access_log /app/logs/access.log main;
    error_log /app/logs/error.log warn;

    # 静态文件缓存
    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 "*";
        try_files $uri $uri/ =404;
    }

    # HTML文件不缓存
    location ~* \.(html|htm)$ {
        expires -1;
        add_header Cache-Control "no-store, no-cache, must-revalidate";
        try_files $uri $uri/ =404;
    }

    # SPA应用路由处理
    location / {
        try_files $uri $uri/ /index.html;
    }

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

    # 禁止访问隐藏文件
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}