DesenvolvimentoDEV Community
The "Double-Booking" Nightmare: Building a Rule-Driven Hostel Allocator with MongoDB Transactions
Published on May 7, 2026By DEV Community
How I built a transactional hostel allocation engine that eliminates race conditions and double-bookings using MongoDB sessions. Handling logistics for a 500+ person event—like a major hackathon or campus festival—is easy on paper. It becomes significantly harder at 2:00 AM when multiple exhausted teams arrive at the registration desk simultaneously while operators manually juggle room assignments. In this article, I’m pulling back the curtain on the "brain" of Project Morpheus: a transactional
Read the full article: https://dev.to/harshpandhe/the-double-booking-nightmare-building-a-rule-driven-hostel-allocator-with-mongodb-transactions-21ni
Source: DEV Community