netcore-boilerplate

Boilerplate of API in .NET 8

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Boilerplate is a piece of code that helps you to quickly kick-off a project or start writing your source code. It is kind of a template - instead of starting an empty project and adding the same snippets each time, you can use the boilerplate that already contains such code.

Intention - The intention behind this project is to mix a variety of different approaches to show different available paths. That's why you can find here the Service approach mixed-up with Repository approach, or old-fashioned controllers mixed-up with brand new minimal API in a separate module (modular approach). As well as, it's a kind of playground for exploring frameworks, packages, tooling. At the end, You are in charge, so it's your decision to which path you would like to follow.

Table of content

• Source code contains
• Run the solution
  • Standalone
  • In docker
    • Download form registry
    • Build your own image
  • Docker compose
    • Migrations
• How to adapt
• Architecture
  • Api
  • Core
• DB Migrations
• Tests
  • Integration tests
  • Unit tests
  • Architectural tests
• Books module
  • Module
  • Integration Tests
• To Do

Source code contains

1. Central Package Management (CPM)
2. Swagger + Swashbuckle
3. FeatureManagement (Feature Flags, Feature Toggles)
4. HealthChecks
5. EF Core
   • MySQL provider from Pomelo Foundation
   • MsSQL from Microsoft
6. Dapper
   • Microsoft.Data.Sqlite
7. Tests
   • Integration tests with InMemory database
     • FluentAssertions
     • xUnit
     • Verify
     • Verify.Http
     • TestServer
   • Unit tests
     • AutoFixture
     • FluentAssertions
     • Moq
     • Moq.AutoMock
     • xUnit
8. Security
   • Mend Bolt (WhiteSource Security Check)
   • NuGet Audit
   • Trivy
9. Code quality
   • Architectural tests (conventional tests)
     • NetArchTest
     • xUnit
   • Analyzers
     • Microsoft.CodeAnalysis.Analyzers
     • Microsoft.AspNetCore.Mvc.Api.Analyzers
     • Microsoft.VisualStudio.Threading.Analyzers
   • Code analysis rule set HappyCode.NetCoreBoilerplate.ruleset
   • Code analysis with CodeQL
   • Code coverage
     • Coverlet
     • Codecov
   • EditorConfig (.editorconfig)
10. Docker
    • Dockerfile
    • Docker-compose
      • mysql:8 with DB initialization
      • mcr.microsoft.com/mssql/server:2022-latest with DB initialization
      • netcore-boilerplate:compose
    • Build and test
    • Push to registry
      • Docker Hub
      • GitHub Container Registry
11. Serilog
    • Sink: Async
12. DbUp as a db migration tool
13. Continuous integration
    • dotnetcore.yml
    • docker-build.yml
    • codeql-analysis.yml
    • scanners.yml

Run the solution

To run the solution, use one of the options:

• Standalone
• In docker
• Docker compose (recommended)

After successful start of the solution in any of above option, check useful endpoints:

• swagger - http://localhost:5000/swagger/
• health check - http://localhost:5000/healthz/ready
• version - http://localhost:5000/version

Standalone

When running standalone, features like cars and employees might be disabled.

Execute dotnet run --project src/HappyCode.NetCoreBoilerplate.Api in the root directory.

In docker

When running in docker, features like cars and employees are disabled.

Download form registry

• Docker Hub - https://hub.docker.com/r/lkurzyniec/netcore-boilerplate
• GitHub Container Registry - https://github.com/lkurzyniec/netcore-boilerplate/pkgs/container/netcore-boilerplate

Simply execute docker run --rm -p 5000:8080 --name netcore-boilerplate lkurzyniec/netcore-boilerplate to download and spin up a container.

Build your own image

To run in docker with your own image, execute docker build . -t netcore-boilerplate:local in the root directory to build an image, and then docker run --rm -p 5000:8080 --name netcore-boilerplate netcore-boilerplate:local to spin up a container with it.

Docker compose

When running on Linux (i.e. WSL), make sure that all docker files (dockerfile, docker-compose and all mssql files) have line endings LF.

Just execute docker-compose up command in the root directory.

Migrations

When the entire environment is up and running, you can additionally run a migration tool to add some new schema objects into MsSQL DB. To do that, go to src/HappyCode.NetCoreBoilerplate.Db directory and execute dotnet run command.

How to adapt

Generally it is totally up to you! But in case you do not have any plan, You can follow below simple steps:

1. Download/clone/fork repository ⤵️
2. Remove components and/or classes that you do not need to 🔥
3. Rename files (e.g. sln or csproj), folders, namespaces etc 📝
4. Appreciate the work ⭐

Architecture

Api

HappyCode.NetCoreBoilerplate.Api

• The entry point of the app - Program.cs
• Simple Startup class - Startup.cs
  • MvcCore
  • DbContext (with MySQL)
  • DbContext (with MsSQL)
  • Swagger and SwaggerUI (Swashbuckle)
  • HostedService and HttpClient
  • FeatureManagement
  • HealthChecks
    • MySQL
    • MsSQL
• Filters
  • Simple ApiKey Authorization filter - ApiKeyAuthorizationFilter.cs
  • Action filter to validate ModelState - ValidateModelStateFilter.cs
  • Global exception filter - HttpGlobalExceptionFilter.cs
• Configurations
  • Serilog configuration place - SerilogConfigurator.cs
  • Swagger registration place - SwaggerRegistration.cs
    • Feature flag documentation filter - FeatureFlagSwaggerDocumentFilter.cs
    • Security requirement operation filter - SecurityRequirementSwaggerOperationFilter.cs
• Logging
  • Custom enricher to have version properties in logs - VersionEnricher.cs
• Simple exemplary API controllers - EmployeesController.cs, CarsController.cs, PingsController.cs
• Example of BackgroundService - PingWebsiteBackgroundService.cs

Core

HappyCode.NetCoreBoilerplate.Core

• Models
  • Dto models
  • DB models
  • AppSettings models - Settings
• DbContexts
  • MySQL DbContext - EmployeesContext.cs
  • MsSQL DbContext - CarsContext.cs
• Providers
  • Version provider - VersionProvider.cs
• Core registrations - CoreRegistrations.cs
• Exemplary MySQL repository - EmployeeRepository.cs
• Exemplary MsSQL service - CarService.cs

DB Migrations

HappyCode.NetCoreBoilerplate.Db

• Console application as a simple db migration tool - Program.cs
• Sample migration scripts, both .sql and .cs - S001_AddCarTypesTable.sql, S002_ModifySomeRows.cs

Tests

Integration tests

HappyCode.NetCoreBoilerplate.Api.IntegrationTests

• Infrastructure
  • Fixture with TestServer - TestServerClientFixture.cs
  • TestStartup with InMemory databases - TestStartup.cs
  • Simple data feeders - EmployeeContextDataFeeder.cs, CarsContextDataFeeder.cs
  • Fakes - FakePingService.cs
• Exemplary tests - EmployeesTests.cs, CarsTests.cs, PingsTests.cs

Unit tests

HappyCode.NetCoreBoilerplate.Api.UnitTests

• Exemplary tests - EmployeesControllerTests.cs, CarsControllerTests.cs, PingsControllerTests.cs
• API Infrastructure Unit tests
  • ApiKeyAuthorizationFilterTests.cs
  • ValidateModelStateFilterTests.cs
  • VersionEnricherTests.cs

HappyCode.NetCoreBoilerplate.Core.UnitTests

• Extension methods to mock DbSet faster - EnumerableExtensions.cs
• Exemplary tests - EmployeeRepositoryTests.cs, CarServiceTests.cs
• Providers tests
  • VersionProviderTests.cs with HappyCode.NetCoreBoilerplate.Core.UnitTests.runsettings

Architectural tests

HappyCode.NetCoreBoilerplate.ArchitecturalTests

• Exemplary tests - ApiArchitecturalTests.cs, CoreArchitecturalTests.cs

Books module

Totally separate module, developed with a modular monolith approach.

Module

The code organized around features (vertical slices).

HappyCode.NetCoreBoilerplate.BooksModule

• Features
  • Delete book - Endpoint.cs, Command.cs
  • Get book - Endpoint.cs, Query.cs
  • Get books - Endpoint.cs, Query.cs
  • Upsert book - Endpoint.cs, Command.cs
• Sqlite db initializer - DbInitializer.cs
• Module configuration place - BooksModuleConfigurations.cs

Integration Tests

HappyCode.NetCoreBoilerplate.BooksModule.IntegrationTests

• Infrastructure
  • Fixture with TestServer - TestServerClientFixture.cs
  • Very simple data feeder - BooksDataFeeder.cs
• Exemplary tests - BooksTests.cs

To Do

• any idea? Please create an issue.

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