The SAP Team built an on-call rota in a shared doc with a UI

“It's just a webhook.”— HR Generalist

Reason:

Mainly because Finance has a different spreadsheet. Built during an offsite instead of the thing they were asked to build.

Built by:

Tobias, a warehouse supervisor

Build time:

a long Thursday

Built with:

Python, Flask and no requirements.txt

Database:

a column called do_not_use that is required

Authentication:

SSO, but only for Sarah

Deployment:

running behind nginx config copied from Stack Overflow

Responsible:

Jens, because their credit card pays for it

Documentation:

a Confluence page linking to another Confluence page

Security situation:

the last security review happened before the application existed

Future disaster:

It will turn out to be the only system that knows the real numbers.

Age: 2.4 years · originally expected to last 3 months · 6 owners so far · survived 1 reorganisation · last meaningful change 210 days ago · original builder left 351 days ago

Rated legendary mostly because: 622 users, €346k per year, 2 accidental connections.