Uber Eats, PayTM and Free Food: What Happened?

Anyone could order free food on UberEats for a weekend in 2019. Years later, I can finally share what really happened behind the scenes.

Sign up for my newsletter at https://www.pragmaticengineer.com - it’s the #1 technology newsletter on Substack.

Mentions in the article:
- My book, Building Mobile Apps at Scale: https://www.mobileatscale.com
- Why is the Uber App so large? https://www.youtube.com/watch?v=zmeCYiD0hnE
- Check out the Twitter thread I wrote on this incident: https://twitter.com/GergelyOrosz/status/1502947315279187979?s=20&t=tluSdCluTtc2S--6GRcCSQ

Check out other things I made:
- My weekly newsletter: https://pragmaticengineer.com . It’s the #1 newsletter for software engineers and engineering managers - subscribe if you work in tech.
- The Pragmatic Engineer Job Board: https://pragmaticurl.com/jobs . Jobs with a great engineering culture.
- Books I've written: https://blog.pragmaticengineer.com/books

Connect with me on other platforms:
- Twitter: https://twitter.com/GergelyOrosz
- LinkedIn: https://www.linkedin.com/in/gergelyorosz
- Blog: https://pragmaticengineer.com

00:00 - Intro
02:10 - What happened?
05:00 - On HTTP status codes
07:10 - The change
08:50 - Failing open vs failing closed
11:05 - How we discovered the bug
12:50 - The fix and learnings
19:15 - What was the damage and who should pay?

Видео Uber Eats, PayTM and Free Food: What Happened? канала Pragmatic Engineer