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Aurora is a project developed in .NET Core, where it aims to show how to create something using an architecture, in layers, simple and approaching, in a simplistic way, some concepts such as DDD.

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Aurora Project

What is Aurora project?

It's an open source project, written in .NET Core, currently in version 3.1.

The project's goal is to show that it is possible to create an architecture more simple than others and using some concepts like DDD (Domain-driven Design).

Business proposal:

This project is a simple PPE (Personal Protective Equipment) Management. The principle idea is to register workers and PPE and, with this data, allow to transfer PPE to a worker. Besides that, this system allows that you see all the PPE and who has a PPE and notify if the PPE is near to expire.


  • NIN: National Insurance Number (as CPF in Brazil)

How to use:

  1. Clone this project to into your machine
  2. Use the default connection string or: 2.1. Install and configure MySql, if you want. 2.2. Inform the connection string on Aroura.Infra.Data/Context/MySqlContext.cs, if necessary
    • Put the server name on [SERVER] tag
    • Put the port number on [PORT] tag
    • Put the user name database on [USER] tag
    • Put the password database on [PASSWORD] tag
  3. Finally, build and run the application

MySql Migrations:

  1. Open your Package Manager Console
  2. Change the default project to Aurora.Infra.Data
  3. Run command "Add-Migration [NAME OF YOUR MIGRATION]"
  4. Run command "Update-Database"

For more information about this project, sse this article.

Technologies implemented:

  • ASP.NET Core 3.1 (com .NET Core 3.1)
  • Entity Framework Core 3.1.5
  • Flunt Validation 1.0.5
  • Swagger UI 5.5.0
  • MySql Database Connection
  • .NET Core Native DI
  • SpecFlow for BDD
  • GitHub Actions


  • Layer architecture
  • S.O.L.I.D. principles
  • Clean Code
  • Domain Validations
  • Domain Notifications
  • Domain Driven Design
  • Repository Pattern
  • Notification Pattern
  • Mapper by Extension Methods
  • Value Types
  • BDD (Behavior Driven Development)



v1.4 --- 2020-09-28 * CI/CD by GitHub Actions * Include integration tests using BDD with SpecFlow * scenario of register a worker * scenario of update a worker * Bug corrections

v1.3 --- 2020-07-30 * Changed some Primitive Types to Value Types * Changed the business idea principle

v1.2 --- 2020-06-30 * Implemented Notification Pattern * Implemented Domain Validations and Notifications * Using some concepts of Clean Architecture * Entities * Interface Adapters * Changed the framework validations to Flunt * Using mapper by extension methods

v1.1 --- 2020-06-24 * Updated the project name * Updated the project's SDK to .NET Core 3.1 version * Added the Swagger framework to document the API * Corrections to end-points * Published in Azure

v1.0 --- 2018-06-09 * Create the project in .NET Core 2.0 version * Structured the project on layer architecture * Used the Service layer to business rules * Used the FluentValidation library * Configured the connection to MySql database * Used EntityFramework

Why Aurora?

The name Aurora came from the natural event called Aurora Borealis. It is a scientific event described by the interaction between the earth's magnetic layer and energized particles from the solar wind.

A curiosity about such an event is that what we see in photographs is not always the same image that is seen live.

For more information, look this link.

We're online!

See the project in Azure.


The Aurora project was developed by Alex Alves.

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