Distributed Reservation System

Architecture

How to run

Prerequisites: installed: Java 21, Maven and Docker with configured Kubernetes

   ./k8s/deploy.sh

Key features

Microservices architecture:

• Containerization with Docker and running microservices on a local Kubernetes Cluster
• Implemented communication between microservices with RabbitMQ

Distributed Locks

• Utilizing Redis as a locker for resources in distributed reservation transactions

External APIs integration

• Integrated the app with PayU payment gateway and MailTrap SMTP server

Integration Testing

• The app's reliability is ensured with integration tests, using TestContainers to mock microservices

Technologies

• Java 21
• Maven
• Spring (Cloud, Boot, Data, AMQP, Validation, Email, Web)
• Hibernate, Postgres
• Redis
• RabbitMQ
• Docker, Kubernetes