# 移除 user 指令，因为我们以非 root 用户运行
worker_processes auto;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;
    error_log   /var/log/nginx/error.log warn;

    sendfile        on;
    keepalive_timeout  65;
    gzip  on;

    server {
        listen       80;
        server_name  localhost;
        
        # 添加 gzip 压缩
        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
        
        # 设置客户端最大body大小
        client_max_body_size 20M;

        root   /usr/share/nginx/html;
        index  index.html;

        # 支持 history 路由模式
        location / {
            try_files $uri $uri/ /index.html;
            add_header Cache-Control "no-cache, no-store, must-revalidate";
        }

        # 缓存静态资源
        location /assets {
            expires 1y;
            add_header Cache-Control "public, no-transform";
            access_log off;
        }

        # 禁止访问 . 文件
        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;
        }
    }
}