nginx-site.conf

# Nginx config for WordPress multisite using subdirectories (rather than hostnames).

server {
	listen   80; ## listen for ipv4; this line is default and implied
	listen   [::]:80 default ipv6only=on; ## listen for ipv6

	root /var/www/html;
	index index.php index.html index.htm;

	# Make site accessible from http://localhost/
	server_name localhost;
	
	# Disable sendfile as per https://docs.vagrantup.com/v2/synced-folders/virtualbox.html
	sendfile off;

	location / {
		# First attempt to serve request as file, then
		# as directory, then fall back to index.html
		try_files $uri $uri/ /index.php?q=$uri&$args;
	}

	# Add trailing slash to */wp-admin requests.
	rewrite /wp-admin$ $scheme://$host$uri/ permanent;

	# Rewrite multisite '.../wp-.*' and '.../*.php'.
    if (!-e $request_filename) {
        rewrite /wp-admin$ $scheme://$host$uri/ permanent;
        rewrite ^/[_0-9a-zA-Z-]+(/wp-.*) $1 last;
        rewrite ^/[_0-9a-zA-Z-]+(/.*\.php)$ $1 last;
    }

	# Pass all .php files onto a php-fpm/php-fcgi server.
	location ~ \.php$ {
		try_files $uri = 404;
		
		include fastcgi_params;
	 	fastcgi_index index.php;
	
		fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
		fastcgi_intercept_errors on;

	 	fastcgi_pass unix:/var/run/php5-fpm.sock;
	}

	# Directives to send expires headers and turn off 404 error logging.
	location ~* ^.+\.(xml|ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|css|rss|atom|js|jpg|jpeg|gif|png|ico|zip|tgz|gz|rar|bz2|doc|xls|exe|ppt|tar|mid|midi|wav|bmp|rtf)$ {
		access_log off; log_not_found off; expires max;
	}

	# redirect server error pages to the static page /50x.html
	#
	error_page 500 502 503 504 /50x.html;
	location = /50x.html {
		root /var/www/html;
	}
}