This Spring Boot application provides a REST-full API for currency exchange operations. It allows users to perform various actions related to currencies, such as getting a list of currencies, retrieving exchange rates for a currency, and adding new currencies for getting exchange rates. This application synthesized with a third-party service such as https://exchangeratesapi.io/

• Add new currencies for getting exchange rates.
• Get exchange rates for a specific currency.
• Retrieve a list of currencies used in the project.
• Scheduled updating of exchange rates from external sources.
• Store exchange rates in memory and log them in the database.
• API documentation using OpenAPI Specification (Swagger).

• Java
• Spring Boot
• Gradle
• PostgreSQL
• Liquibase
• Spring Data JPA
• Caffeine Cache(Will be used in next versions instead of Map "in memory DB")
• Swagger (OpenAPI Specification)

To run this application locally, follow these steps:

1. Clone this repository to your local machine.
2. Make sure you have Java and PostgreSQL installed on your machine.
3. Configure your PostgreSQL database settings in application.properties file.
4. Build the project using Gradle.
5. Run the application.
6. Access the API documentation in your web browser at http://localhost:8080/swagger-ui/index.html#/.

• GET /currency: Retrieve a paginated list of all currencies used in project.
• GET /currency/{currencyCode}/rates: Retrieve exchange rates for a specific currency.
• POST /currency/add: Add a new currency for getting exchange rates.

I used SPEX-CommitNumber (Spribe exchanger) for commits naming

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.