As I understand it, this is a similar issue on any app hosted on Heroku. You need to CNAME to WWW and then 301 redirect non WWW to WWW. Alternatively you can

As I understand it, this is a similar issue on any app hosted on Heroku. You need to CNAME to WWW and then 301 redirect non WWW to WWW. Alternatively you can use DNS providers such as DNSimple who support ALIAS records. https://devcenter.heroku.com/articles/moving-to-the-current-routing-stack https://devcenter.heroku.com/articles/moving-to-the-current-...