Sales built a returns processing tool

“The firewall should block it.”— Petra, Sales

Reason:

Honestly? Because the spreadsheet has 131,244 rows and 24 tabs. Started as Budget2026_final_FINAL.csv with a script attached.

Built by:

Petra, a warehouse supervisor

Build time:

a long Thursday

Built with:

Python and a cron job on a laptop

Database:

an SQLite file called data.db

Authentication:

the secret is in the screenshot in the README

Deployment:

running on port 9000 in production

Responsible:

whoever still has the admin password

Documentation:

a folder called Documentation containing another folder called Old

Security situation:

it was reviewed once, by Petra, who built it

Future disaster:

It will stop working the day the free tier ends.

Age: 323 days · originally expected to last 3 weeks · 2 owners so far · last meaningful change 210 days ago

Rated common mostly because: 76% chance of becoming business critical, alive 15x longer than intended, 1 accidental connections.