Apache Config for React Router

.htaccess

<IfModule mod_rewrite.c>

  RewriteEngine On
  RewriteBase /
  RewriteRule ^index\.html$ - [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-l
  RewriteRule . /index.html [L]

</IfModule>

for starting react app on different Port , you can use make file .env and in here you add next code PORT= 80 example if you start develop on port 80, or build app at this port.
This is possible because babel and other when build production code for final app looking this file and accepted . But , you must get attantion for admin premision on this port.
And setting virtual in access httpdocs .

For Nginx add / merge the following in your nginx config file
location / {
try_files $uri $uri/ /index.html;
}