Why your backup script is lying to you

Wrote a more complete breakdown of why I built this and how the Docker verification actually works:

https://dev.to/operadev/how-i-built-a-tool-that-actually-proves-your-backups-work-before-you-need-them-4nol

The short version: most backup scripts tell you the dump file exists. That's not the same as knowing it restores. This tool proves the difference.