As an occasional hobbyist user of Heroku’s free tier, what other providers do you recommend? Fly.io? A bit more context if it matters, I use it very lightly, a

As an occasional hobbyist user of Heroku’s free tier, what other providers do you recommend? Fly.io? A bit more context if it matters, I use it very lightly, and I’m interested on ease of use and ability to have a DB attached to it (I was using PostgreSQL, but any SQL DB would do it).