server {
        listen 80;
        listen [::]:80;

        server_name _;

        location /.well-known/acme-challenge/ {
                content_by_lua_block {
                auto_ssl:challenge_server()
                }
        }

        location / {
                return 301 https://$host$request_uri;
        }
}

server {
        listen 443 ssl;

        server_name _;

        ssl_certificate_by_lua_block {
                auto_ssl:ssl_certificate()
        }
        ssl_certificate /etc/ssl/resty-auto-ssl-fallback.crt;
        ssl_certificate_key /etc/ssl/resty-auto-ssl-fallback.key;

        proxy_set_header        Host $host;
        proxy_http_version 1.1;
        proxy_intercept_errors off;

        client_max_body_size 0;

        proxy_connect_timeout   600;
        proxy_send_timeout      600;
        proxy_read_timeout      600;
        send_timeout            600;

        location / {
                proxy_pass http://88.99.161.26:31653;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection 'upgrade';
                proxy_set_header Host $host;
                proxy_cache_bypass $http_upgrade;
        }
}