map $http_upgrade $connection_upgrade {
    default      keep-alive;
    'websocket'  upgrade;
    ''           close;
}

server {

    listen 22443      ssl http2;
    listen [::]:22443 ssl http2;

    ssl_certificate    /etc/nginx/conf.d/ssl_key/tailscale.107421.xyz.cert.pem;
    ssl_certificate_key    /etc/nginx/conf.d/ssl_key/tailscale.107421.xyz.key.pem;

    ssl_protocols   TLSv1.2 TLSv1.3;
    ssl_ciphers    ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    server_name    tailscale.107421.xyz;

    location /derper {
            root /root/app-install/;
            autoindex on;                           # 开启目录浏览功能；
    }

    location / {
        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header Host $server_name;
        proxy_redirect http:// https://;
        proxy_buffering off;
        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 $http_x_forwarded_proto;
        add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
    }

}