I Created a NestJS Delivery Dispatch Backend with Concurrency Control & Dockerized Postgres

I built this delivery dispatch service to practice and master core backend engineering fundamentals in NestJS. Instead of just building a basic CRUD API, I wanted to understand how real-world dispatch systems manage state transitions, handle route assignments, and keep data consistent under conc...

Source: [Dev.to](https://dev.to/peacemelodi/i-created-a-nestjs-delivery-dispatch-backend-with-concurrency-control-dockerized-postgres-dec)