As somebody who was used to running my own servers when I was first forced to use Heroku on a project...I'll go ahead and tell you there is an adjustment period

As somebody who was used to running my own servers when I was first forced to use Heroku on a project...I'll go ahead and tell you there is an adjustment period. But after using then going back to the alternatives, there's a lot more that I miss about it than the other way around. You take for granted how much stuff you no longer have to deal with, until you have to again. There will be a moment when you'll be irritated about some very low-level knob that you want to turn that you can't get access to but when that happens, don't take for granted all the other ones you're not dealing with. And it simplifies life for developers tremendously.