# Redis distributed lock service

## Overview

The Redis distributed lock service is a Spring Boot application designed to handle transaction-related operations. It
uses PostgreSQL for data persistence and Redis for locking.

## Technologies Used

- Java
- Spring Boot
- Gradle
- PostgreSQL
- Redis
- Reactor (for reactive programming)

## Prerequisites

- Java 17 or higher
- Gradle 7.0 or higher
- Docker and Docker Compose

## Getting Started

### Clone the Repository

```sh
git clone https://github.com/Kushchii/redis-distributed-lock.git
cd redis-distributed-lock

Build the Project

./gradlew build

Running with Docker Compose

Ensure Docker and Docker Compose are installed on your machine. To start the services, run:

docker-compose up

This will start the following services:

• postgres_1: PostgreSQL database
• redis_data: Redis

Running the Application

To run the application locally, use:

./gradlew bootRun

API Endpoints

Create Transaction

• URL: /api/transactions
• Method: POST
• Request Body:

  {
    "id": "string",
    "amount": "number",
    "userId": "string",
    "currency": "string",
    "status": "string",
    "description": "string"
  }

• Response:

  {
    "message": "Transaction saved successfully"
  }

Send callback

• URL: /api/callback
• Method: POST
• Request Body:

  {
    "id": "string",
    "status": "string"
  }

• Response:

  {
    "message": "Callback processed successfully"
  }