Heroku can be expensive. You're looking at $240/yr just for SSL (vs. $0 - $30/yr for non-wildcard SSL). For a 1GB VPS, a dyno costs ~3x as much as Digital Ocean.
For protection from cyber crime, you might be better off paying an insurance company than Heroku prices.
For protection from cyber crime, you might be better off paying an insurance company than Heroku prices.