nginx reverse proxy for adminui

nginx-adminui.conf

# include this file from nginx.conf inside the http stanza.

server {
    listen      443 ssl http2;
    listen [::]:443 ssl http2;
    server_name adminui.example.com;

    access_log  /var/log/nginx/adminui.access.log bunyan;
    error_log   /var/log/nginx/adminui.error.log;

    ssl_certificate     /opt/ssl/certs/rproxy.example.com/fullchain.pem;
    ssl_certificate_key /opt/ssl/certs/rproxy.example.com/privkey.pem;
    ssl_dhparam         /opt/ssl/dhparam.pem;

    ssl_protocols TLSv1.1 TLSv1.2;
    ssl_prefer_server_ciphers on;
    ssl_ciphers  "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
    ssl_session_timeout 10m;
    ssl_session_cache shared:SSL:10m;
    ssl_session_tickets off;
    ssl_stapling on;
    ssl_stapling_verify on;

    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";
    add_header X-Frame-Options DENY;
    #add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
    add_header X-Robots-Tag none;

    location / {
        resolver ip.of.cns.server;
        proxy_pass_header server;
        proxy_pass_header date;
        proxy_set_header Host $host;
        proxy_set_header Forwarded "for=$remote_addr; proto=$scheme; by=$server_addr";
        proxy_set_header X-Forwarded-For "$remote_addr";
        proxy_pass https://adminui.us-west-1.cns.example.com;
    }

}