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# Clean Architecture Template

This is a solution template for creating a ASP.NET Core Web API following the principles of Clean Architecture. Create a new project based on this template by clicking the above Use this template button or by installing and running the associated NuGet package (see Getting Started for full details).

Technologies

Getting Started

Install the NuGet package and run dotnet new cas:

Install the latest .NET SDK
Run dotnet new --install Matech.Clean.Architecture.Template to install the project template
Create a folder for your solution and cd into it (the template will use it as project name)
Run dotnet new cas to create a new project
Navigate to src/Apps/CleanArchitecture.Api and run dotnet run to launch the back end (ASP.NET Core Web API)
Open web browser https://localhost:5021/api Swagger UI

Database Configuration

The template is configured to use an in-memory database by default. This ensures that all users will be able to run the solution without needing to set up additional infrastructure (e.g. SQL Server).

If you would like to use SQL Server, you will need to update WebApi/appsettings.json as follows:

  "UseInMemoryDatabase": false,

Verify that the DefaultConnection connection string within appsettings.json points to a valid SQL Server instance.

When you run the application the database will be automatically created (if necessary) and the latest migrations will be applied.

Database Migrations

To use dotnet-ef for your migrations please add the following flags to your command (values assume you are executing from repository root)

--project src/Common/CleanArchitecture.Infrastructure (optional if in this folder)
--startup-project src/Apps/CleanArchitecture.Api
--output-dir Persistence/Migrations

For example, to add a new migration from the root folder:

dotnet ef migrations add "CreateDb" --project src\Common\CleanArchitecture.Infrastructure --startup-project src\Apps\CleanArchitecture.Api --output-dir Persistence\Migrations

dotnet ef database update --project src\Common\CleanArchitecture.Infrastructure --startup-project src\Apps\WebApi

Overview

Domain

This will contain all entities, enums, exceptions, interfaces, types and logic specific to the domain layer.

Application

This layer contains all application logic. It is dependent on the domain layer, but has no dependencies on any other layer or project. This layer defines interfaces that are implemented by outside layers. For example, if the application need to access a notification service, a new interface would be added to application and an implementation would be created within infrastructure.

Infrastructure

This layer contains classes for accessing external resources such as file systems, web services, smtp, and so on. These classes should be based on interfaces defined within the application layer.

WebApi

This layer is a web api application based on ASP.NET 6.0.x. This layer depends on both the Application and Infrastructure layers, however, the dependency on Infrastructure is only to support dependency injection. Therefore only Startup.cs should reference Infrastructure.

Logs

Logging into Elasticsearch using Serilog and viewing logs in Kibana.

Prerequisites

Download and Install Docker Desktop

Open CLI in the project folder and run the below comment.

PS CleanArchitecture> docker-compose up

docker-compose.yml pull and run the ElasticSearch and Kibana images.

If you are running first time Windows 10 WSL 2 (Windows Subsystem for Linux) Linux Container for Docker, You will probably get the following error from the docker.

Error: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

Solution: Open the Linux WSL 2 terminal sudo sysctl -w vm.max_map_count=262144 and change the virtual memory for Linux.

Support

If you are having problems, please let us know by raising a new issue.

License

This project is licensed with the MIT license.

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