Finance built a fleet mileage tracker

“There's already a Jira ticket.”— Group Controller

Reason:

Mainly because management has a PowerPoint with a third number. With 2 users, one of whom is the CEO.

Built by:

Ravi, someone from Procurement

Build time:

6 evenings

Built with:

a Rails app from 2016 nobody updated

Database:

Neo4j because someone drew arrows on a whiteboard

Authentication:

SSO, but only for Katrin

Deployment:

running on an EC2 instance somebody resized manually

Responsible:

Ravi, who only knows the database

Documentation:

a Notion page titled "New docs"

Security situation:

it logs full customer records to the console

Future disaster:

It will create a GDPR incident somebody describes as "probably minor".

Age: 6.5 years · originally expected to last 4 weeks · 5 owners so far · survived 2 reorganisations · last meaningful change 210 days ago

Rated common mostly because: 185 users, alive 79x longer than intended, €39k per year.