Setting DNS CNAMEs to a Heroku-provided name make sense. They might make underlying infrastructure changes; that's why you're using them instead of rolling your own on a VPS.
Having more than one worker also seems sensible.
The article stresses that these checks are all optional. You don't have to pay double for anything if you don't want to.
Setting DNS CNAMEs to a Heroku-provided name make sense. They might make underlying infrastructure changes; that's why you're using them instead of rolling your own on a VPS.
Having more than one worker also seems sensible.
The article stresses that these checks are all optional. You don't have to pay double for anything if you don't want to.