You need to consider the maintenance / upgrade / patching (bug fixes etc.) burden too. For "fire and forget" projects you put to Heroku and forget about, almost

You need to consider the maintenance / upgrade / patching (bug fixes etc.) burden too. For "fire and forget" projects you put to Heroku and forget about, almost any meme stack will do. For projects where you think you'll be maintaining it for 1-10 years, you have to be bit smarter.