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# mapping subdomain: https://easyengine.io/wordpress-nginx/tutorials/multisite/domain-mappinng/
# separate db: https://wordpress.org/plugins/shardb/, https://wordpress.org/plugins/hyperdb/

server {
        ##DM - uncomment following line for domain mapping	
        #listen 80 default_server;
	server_name example.com *.example.com ;
	##DM - uncomment following line for domain mapping
	#server_name_in_redirect off;

	access_log   /var/log/nginx/example.com.access.log;
	error_log    /var/log/nginx/example.com.error.log;

	root /var/www/example.com/htdocs;
	index index.php;

	if (!-e $request_filename) {
		rewrite /wp-admin$ $scheme://$host$uri/ permanent;	
		rewrite ^(/[^/]+)?(/wp-.*) $2 last;                     
		rewrite ^(/[^/]+)?(/.*\.php) $2 last;                   
	}

	location / {
		try_files $uri $uri/ /index.php?$args ;
	}
    rewrite /wp-admin$ $scheme://$host$uri/ permanent;
    
	location ~ \.php$ {
		try_files $uri =404;
		include fastcgi_params;
		fastcgi_pass 127.0.0.1:9000;
	}

	location ~* ^.+\.(ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|rss|atom|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;
	}

	location = /robots.txt { access_log off; log_not_found off; }
	location ~ /\. { deny  all; access_log off; log_not_found off; }
}





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

###### or install on subdirectory
# Rewrite everything under /demo folder
if (!-e $request_filename) {
  #Main wordpress site
  rewrite /wp-admin$ $scheme://$host$uri/ permanent;
  rewrite ^/demo/(wp-.*.php)$ /demo/wp/$1 last;
  rewrite ^/demo/(wp-(content|admin|includes).*) /demo/wp/$1 last;

  #Add subdirectory multisite rules eg. example.com/demo/site1/wp-admin
  rewrite ^/demo/[_0-9a-zA-Z-]+(/wp-.*) /demo/wp$1 last;
  rewrite ^/demo/[_0-9a-zA-Z-]+(/.*\.php)$ /demo/wp$1 last;
}

server {
    # Do not allow access to files giving away your WordPress version
    location ~ /(\.|wp-config.php|readme.html|licence.txt) {
        return 404;
    }
    # Add trailing slash to */wp-admin requests.
    rewrite /wp-admin$ $scheme://$host$uri/ permanent;
    
    # Don't log robots.txt requests
    location = /robots.txt {
        allow all;
        log_not_found off;
        access_log off;
    }
    
    # pass PHP scripts to Fastcgi listening on Unix socket
    # Do not process them if inside WP uploads directory
    # If using Multisite or a custom uploads directory,
    # please set the */uploads/* directory in the regex below
    location ~* (^(?!(?:(?!(php|inc)).)*/uploads/).*?(php)) {
        try_files $uri = 404;
        fastcgi_split_path_info ^(.+.php)(.*)$;
        fastcgi_pass unix:/var/run/php-fpm.socket;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
        fastcgi_intercept_errors on;
        fastcgi_ignore_client_abort off;
        fastcgi_connect_timeout 60;
        fastcgi_send_timeout 180;
        fastcgi_read_timeout 180;
        fastcgi_buffer_size 128k;
        fastcgi_buffers 4 256k;
        fastcgi_busy_buffers_size 256k;
        fastcgi_temp_file_write_size 256k;
    }
}