File: nginx-host-sample.conf

server {
    listen 80;
    server_name example.com www.example.com;
    root /var/www/example.com;
    index index.php index.html;
    access_log off;
    error_log /var/log/nginx/example.com-error.log;
    charset utf-8;
    
    # Redirect from www
    if ($host = 'www.example.com' ) {
        rewrite  ^/(.*)$  http://example.com/$1  permanent;
    }
    
    # Protect folders 
    location ~ /(vendor|src)/ {
        deny all;
    }
    
    # All requests to index.php
    location / {        
        try_files $uri $uri/ /index.php?$query_string;
    } 
    
    # PHP-FPM on Unix-socket
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/run/php/php7.1-fpm.sock;
        fastcgi_index  index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;        
    }   
}