nginx.conf

error_log  /usr/local/var/log/nginx/error.log;
error_log  /usr/local/var/log/nginx/error.log  notice;
error_log  /usr/local/var/log/nginx/error.log  info;

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

    upstream diplio_upstream {
        server 127.0.0.1:9000;
        keepalive 64;
    }

    server {
        server_name localhost;
        access_log /usr/local/var/log/nginx/access.log;
        root                /var/www/html/diplio/client;
        index index.html;

        listen 80;

        location ~ ^/api/ {
            proxy_redirect       off;
            proxy_http_version   1.1;
            proxy_pass           http://diplio_upstream;
        }

        location ~ ^/(bower_components/|variants/) {
             root                /var/www/html/diplio;
             expires             max;
        }

        location / {
            add_header          Pragma "no-cache";
            add_header          Cache-Control "no-store, no-cache, must-revalidate, post-check=0, pre-check=0";
            expires             -1;

            proxy_set_header    Upgrade $http_upgrade;
            proxy_set_header    Connection "upgrade";
            proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header    Host $host;

            try_files $uri $uri/ /index.html;
        }
    }
}