Nginx Multi-Site for Laravel

gistfile1.nginxconf

server {
  listen 80;
  server_name demo.example.com;
  return 301 https://demo.example.com$request_uri;
}

server {
    listen 443 ssl spdy;
    server_name demo.example.com;
    ssl on;
    ssl_certificate /etc/nginx/demo.example.com.chained.crt;
    ssl_certificate_key /etc/nginx/demo.example.com.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers ECDHE-RSA-AES256-SHA384:AES256-SHA256:RC4:HIGH:!MD5:!aNULL:!eNULL:!NULL:!DH:!EDH:!AESGCM;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    charset utf-8;
    autoindex off;
    autoindex_exact_size off;

    location / {
       root /var/www/html/demo;
       index index.php;
       try_files $uri $uri/ =404;
    }

    location /site1 {
        access_log /var/log/nginx/site1_access.log;
        error_log  /var/log/nginx/site1_error.log error;
        location = /site1/ {
            rewrite ^(.*)$ /site1/index.php last;
        }
        alias /var/www/html/demo/site1/public;
        index index.php;
        if (-f $request_filename) {
            break;
        }
        rewrite ^(.*)$ /site1/index.php last;
    }

    location ~ /site1/.+\.php$ {
        root /var/www/html/demo/site1/public;
        include fastcgi_params;
        fastcgi_intercept_errors off;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_param SCRIPT_FILENAME /var/www/html/demo/site1/public/index.php;
        fastcgi_param HTTPS on;
        fastcgi_pass unix:/var/run/php5-fpm.sock;
        fastcgi_index index.php;
    }

    location /site2 {
        access_log /var/log/nginx/site2_access.log;
        error_log  /var/log/nginx/site2_error.log error;
        location = /site2/ {
            rewrite ^(.*)$ /site2/index.php last;
        }
        alias /var/www/html/demo/site2/public;
        index index.php;
        if (-f $request_filename) {
            break;
        }
        rewrite ^(.*)$ /site2/index.php last;
    }

    location ~ /site2/.+\.php$ {
        root /var/www/html/demo/site2/public;
        include fastcgi_params;
        fastcgi_intercept_errors off;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_param SCRIPT_FILENAME /var/www/html/demo/site2/public/index.php;
        fastcgi_param HTTPS on;
        fastcgi_pass unix:/var/run/php5-fpm.sock;
        fastcgi_index index.php;
    }

    location /site3 {
        access_log /var/log/nginx/site3_access.log;
        error_log  /var/log/nginx/site3_error.log error;
        location = /site3/ {
            rewrite ^(.*)$ /site3/index.php last;
        }
        alias /var/www/html/demo/site3/public;
        index index.php;
        if (-f $request_filename) {
            break;
        }
        rewrite ^(.*)$ /site3/index.php last;
    }

    location ~ /site3/.+\.php$ {
        root /var/www/html/demo/site3/public;
        include fastcgi_params;
        fastcgi_intercept_errors off;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_param SCRIPT_FILENAME /var/www/html/demo/site3/public/index.php;
        fastcgi_param HTTPS on;
        fastcgi_pass unix:/var/run/php5-fpm.sock;
        fastcgi_index index.php;
    }

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