Operations built a commission calculator with a rounding bug

“Everyone using it is trustworthy.”— Chen, Operations

Reason:

Honestly? Because the API documentation says "ask Olivier". Already exported 138,852 rows to somebody's laptop.

Built by:

Chen, a controller

Build time:

an afternoon, mostly

Built with:

Google Apps Script

Database:

a Git repository with one JSON file per customer

Authentication:

the production token is in someone's shell history

Deployment:

running on port 9000 in production

Responsible:

Nadia, who inherited it from Chen by accident

Documentation:

a folder called Documentation containing another folder called Old

Security situation:

the firewall rule is 0.0.0.0/0

Future disaster:

It will stop working after someone renames a column.

Age: 40 days · originally expected to last 2 months · 1 owner so far · survived 1 reorganisation · last meaningful change 19 days ago · original builder left 55 days ago

Rated mythic mostly because: €5.5m per year, 702 users, 3 accidental connections.