Now currenetly documented for deployment for NGINX server in linux platform
ng build --prod --configuration=production
1. configure the nginx server configuration file as per here nginx.default.conf
in /etc/nginx/sites-available/ (file name is default)
2. move the build file into var/www/html/
Now check your server, it will work
Note: There is HTTP configuration only in this nginx.default.conf if you want enable HTTPS you need to add some code in default conf file.