Todo App (.NET + Angular)

A simple Todo application demonstrating k8s-ephemeral-environments with .NET 10 and Angular 21.

Tech Stack

Layer	Technology
Backend	ASP.NET Core 10
Frontend	Angular 21
Database	PostgreSQL 16
ORM	Entity Framework Core
Styling	Tailwind CSS 4

Project Structure

todo-app/
├── TodoApp.Api/          # ASP.NET Core Web API
│   ├── Controllers/      # API endpoints
│   ├── Models/           # Entity and DTOs
│   ├── Services/         # Business logic
│   ├── Data/             # DbContext
│   └── Migrations/       # EF Core migrations
├── todo-app-web/         # Angular frontend
│   └── src/app/          # Components and services
├── Dockerfile            # Multi-stage build
├── docker-compose.yml    # Local development
└── k8s-ee.yaml           # PR environment config

Local Development

Prerequisites

• .NET 10 SDK
• Node.js 22+
• Docker and Docker Compose

Setup

cd todo-app

# Start PostgreSQL
docker compose up -d

# Run API (terminal 1)
cd TodoApp.Api
dotnet run

# Run Angular (terminal 2)
cd todo-app-web
npm install
npm start

Open http://localhost:4200

API Endpoints

Method	Endpoint	Description
GET	/api/todos	List all todos
POST	/api/todos	Create todo
PATCH	/api/todos/{id}	Update todo
DELETE	/api/todos/{id}	Delete todo
GET	/api/health	Health check

PR Environments

Each pull request automatically gets an isolated environment:

1. PR opened → Namespace created
2. App + PostgreSQL deployed
3. Preview URL: todo-app-dotnet-pr-{number}.k8s-ee.genesluna.dev
4. PR closed → Environment destroyed

License

MIT