Caber

Caber is a microservices-based application that replicates the core features of an online cab booking app. It is composed of three microservices: User, Captain, and Ride.

Design

For Synchromus communition :

  REST API

For Asynchromous communtion :

  RabbitMQ  
  Kafka (for geolocation tracking)

Note: This architecture does not follow the Saga design principle. Each service manages its own database and communicates via REST and messaging, but distributed transactions with compensating actions (as in Saga) are not implemented.

Installation

Install my-project with npm

  git clone https://github.com/astitva3110/microservices.git

Start message brokers (RabbitMQ & Kafka)

Do this with every service

 # in separate terminals
cd user && npm install && npm start
cd captain && npm install && npm start
cd ride && npm install && npm start

Tech Stack

Server: Node, Express

Message Broker: RabbitMQ

Event Streaming / Pub-Sub: Kafka

Databases:MongoDB

Google Maps API for ETA and geolocation calculations.

REST for synchronous APIs

Features

• ETA calculation using Google Maps API
• Dynamic price calculation based on distance and vehicle.
• Geolocation tracking of rides using Kafka
• Basic ride booking and captain assignment

Future Improvements Ideas

• Implement Saga/Orchestrator or Choreography for distributed transactions