I've used DO's quite a bit. I'm a big fan... however I find the database latency pretty hard to deal with. In the past 6 months I've seen upwards of 30s for little side projects running tiny (100's of kb) databases. Sometimes it's lightning fast... sometimes it's a disaster.

As a consequence I've had to build quite defensively - adopting a PWA approach - heavy caching and background sync. My hope is that latency improves over time because the platform is nice to work with.