To create a virtual host in Nginx server and access that by your browser you have to follow couple of steps. In this tutorial I will try to describe how you can create virtual host and how you can access your file by brower.
First STEP: Open your nginx configuration file by running this command.
sudo gedit /etc/nginx/sites-available/default
Second STEP: Then configure you host by following this
Third STEP: Open your hosts file.
sudo gedit /etc/hosts
And write ‘127.0.1.1 app.example.dev’ anywhere of your hosts file. Finally restart your nginx server and browser ‘app.example.dev’ in your browser. That’s it, hope it will work for you
See it for creating virtual host with PHP 7.0