Serve remote files locally so you don't have to sync images from production for local development EDIT example.com

.htaccess

### Apache Rewrite
  
    RewriteEngine on
    # Force image styles that have local files that exist to be generated.
    RewriteCond %{REQUEST_URI} ^/sites/([^\/]*)/files/styles/[^\/]*/public/((.*))$
    RewriteCond %{DOCUMENT_ROOT}/sites/%1/files/%2 -f
    RewriteRule ^(.*)$ $1 [QSA,L]
    # Otherwise, send anything else that's in the files directory to the
    # production server.
    RewriteCond %{REQUEST_URI} ^/sites/[^\/]*/files/.*$
    RewriteCond %{REQUEST_URI} !^/sites/[^\/]*/files/css/.*$
    RewriteCond %{REQUEST_URI} !^/sites/[^\/]*/files/js/.*$
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ http://www.example.com/$1 [QSA,L]

nginx.conf

### Nginx Rewrite (only use if you don't run apache)
  
  # Place inside server block Forward requests for images to another site
  location ~ ^/sites/default/files/(.*)\.(jpg|gif|png)$ {
    rewrite ^(.*)$ http://www.example.com$1 last;
  }

settings.local.php

/**
 * Include a local settings file if it exists.
 */
$local_settings = dirname(__FILE__) . '/settings.local.php';
if (file_exists($local_settings)) {
  include $local_settings;
}

// https://gist.github.com/brockboland/1633790