Virtual Host

#Create a new site (demo.dev)

Create site document root

mkdir /vagrant/shared/www/demo

Create default index.html

sudo nano /vagrant/shared/www/demo/index.html

and add some text

Create new vhost

sudo nano /etc/nginx/sites-available/demo.dev

and add config

server {
    listen 80;
    server_name demo.dev www.demo.dev;
    root '/vagrant/shared/www/demo';

    index index.html index.htm index.php;

    charset utf-8;

    location / {
        try_files \$uri \$uri/ /index.php?\$query_string;
    }

    location = /favicon.ico { access_log off; log_not_found off; }
    location = /robots.txt  { access_log off; log_not_found off; }

    access_log off;
    error_log  /var/log/nginx/demo-dev-error.log error;

    sendfile off;

    client_max_body_size 100m;

    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        include /etc/nginx/fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_intercept_errors off;
        fastcgi_buffer_size 16k;
        fastcgi_buffers 4 16k;
    }

    location ~ /\.ht {
        deny all;
    }
}

Enable demo.dev vhost creating a symbolic link

sudo ln -fs "/etc/nginx/sites-available/demo.dev" "/etc/nginx/sites-enabled/demo.dev"

Reload nginx

sudo service nginx reload

and test if http://demo.dev/ is workin` ok!