General info

This project consists of an application of e-commerce with which you can consult the details of the rates.

Technologies

This project was build with the latest version of Spring Boot and Java 17, adding these libraries:

• r2dbc as reactive db framework.
• spring-webflux as reactive development.
• lombok as autogenerated entity and dto fields.
• mapstruct as mapping from class to class.
• h2 and postgresql to connect and execute postgre queries.
• junit to build tests.
• wiremock to test rest calls.

For more libraries and utilities used in this project, you can check the pom.xml

What we need

• Java JDK 17.0.6
• Apache Maven 3.8.7

Hexagonal architecture

Folder structure

project
  ├───bootloader
  ├───currency
  │   ├───application
  │   ├───domain
  │   ├───infrastructure
  │   └───rest-api-definition
  ├───rate
  │   ├───application
  │   ├───domain
  │   ├───infrastructure
  │   └───rest-api-definition
  └───pom.xml

This structure has been created where each functionality is isolated in its own module, and within each one it follows a hexagonal architecture, allowing in this way, in case of having to eliminate or inherit a type, only the module has to be reviewed in question.

API documentation

See the OpenAPI documentation here with Swagger UI.