allow for proxy for getting product data

config/index.js

@@ -3,6 +3,7 @@ module.exports = {
   dbUrl: process.env.DB_URL || 'db',
   defaultFailureRedirect: process.env.DEFAULT_FAILURE_REDIRECT || '/login',
   port: process.env.PORT || 3000,
+  proxyServer: process.env.PROXY_SERVER || undefined,
   secret: process.env.SECRET || require('uuid/v4')(),
   siteTitle: process.env.SITE_TITLE || 'Christmas Community'
 };