“The most important thing you should understand about Litestream is that it’s just SQLite.”
The BoltDB author now works at Fly.io on Litestream, which streams SQLite’s write-ahead log to S3 and soon to read replicas. For most apps that beats a managed Postgres cluster you pay for around the clock. Read the byline, though. A company that sells servers in many regions has every reason to make your database live on its servers in many regions.