Yes, heroku's hosted postgres is fantastic. Once you have users you should use that, or aws rds, or learn how to do it properly yourself. Until then a cron job

Yes, heroku's hosted postgres is fantastic. Once you have users you should use that, or aws rds, or learn how to do it properly yourself. Until then a cron job to backup your db every week, or day or every 12 hours or whatever is good enough.