server {
    listen       192.168.30.11:80;
    listen       192.168.30.11:443 ssl http2;
    server_name  api.netkiller.cn;

    ssl_certificate "/etc/pki/nginx/server.crt";
    ssl_certificate_key "/etc/pki/nginx/private/server.key";
    ssl_session_cache shared:SSL:1m;
    ssl_session_timeout  10m;
    ssl_ciphers PROFILE=SYSTEM;
    ssl_prefer_server_ciphers on;

    access_log /var/log/nginx/api.netkiller.cn.access.log;
    error_log /var/log/nginx/api.netkiller.cn.error.log;

    error_page 497 https://$host$uri?$args;

    if ($scheme = http) {
        return 301 https://$server_name$request_uri;
    }

    location / {
        add_header Content-Security-Policy "upgrade-insecure-requests;connect-src *";
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header REMOTE-HOST $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass http://192.168.30.10:8088;
    }

    error_page 404 /404.html;
        location = /40x.html {
    }

    error_page 500 502 503 504 /50x.html;
        location = /50x.html {
    }
}