---
title: "how to create a microservices application in asp.net from scratch with an example?"  
description: "how to create a microservices application in asp.net from scratch with an example?"  
author: "Rocky Dada"  
published: 2023-09-27  
updated: 2023-09-27  
canonical: https://www.mindstick.com/forum/159966/how-to-create-a-microservices-application-in-asp-dot-net-from-scratch-with-an-example  
category: "c#"  
tags: ["c#", "asp.net", "asp.net mvc", "microservices"]  
reading_time: 3 minutes  

---

# how to create a microservices application in asp.net from scratch with an example?

how to **create a [microservices](https://www.mindstick.com/articles/337598/define-the-importance-of-microservices-in-modern-software-architecture) applicatio**n in **[asp.net](https://www.mindstick.com/articles/934/default-folders-available-inside-the-asp-dot-net-application-folder) from scratch with an example**?

## Replies

### Reply by Aryan Kumar

Creating a microservices application in ASP.NET from scratch involves several steps, and I'll provide a high-level overview along with a simple example. Keep in mind that a real-world microservices application can be much more complex and typically involves multiple services, databases, and communication mechanisms.

## Step 1: Set Up the Development Environment

Make sure you have the following tools installed:

- Visual Studio or Visual Studio Code for development.
- .NET Core SDK for building .NET applications.
- A code version control system like Git.

## Step 2: Create the API Projects

In a microservices architecture, each service is a separate project. Let's create two simple services as an example:

## Product Service:

Create a new ASP.NET Core Web API project for managing products.

```plaintext
dotnet new webapi -n ProductService
```

## Order Service:

Create another ASP.NET Core Web API project for managing orders.

```plaintext
dotnet new webapi -n OrderService
```

## Step 3: Define Models and Controllers

In each service project, define models and controllers. For example, in the Product Service, you might have a **Product** model and a **ProductsController**. Similarly, in the Order Service, you'd have an **Order** model and an **OrdersController**.

## Step 4: Implement Business Logic

Add business logic to your controllers. These services may interact with databases, external APIs, or other services. For simplicity, let's assume in-memory data storage for this example.

## Step 5: Set Up Communication

Microservices communicate through APIs. You can use HTTP REST APIs, gRPC, or other communication mechanisms. In this example, we'll use HTTP REST APIs.

- In each service, configure CORS settings to allow communication from other services or clients.

## Step 6: Service Discovery and Configuration

In a real-world microservices application, you'd typically use a service discovery mechanism like Consul or Eureka. However, for a basic example, you can hardcode the service URLs.

## Step 7: Run and Test Services

Start each service independently, and test them using tools like Postman or Swagger.

## Step 8: Frontend (Optional)

You can create a frontend application (e.g., a web app) that consumes the microservices. The frontend communicates with the services using HTTP requests.

## Step 9: Dockerize Services (Optional)

To make it easier to deploy and manage services, you can containerize them using Docker.

## Step 10: Deploy and Orchestration (Optional)

In a production environment, you'd deploy services to a container orchestration platform like Kubernetes.

## Step 11: Monitoring and Logging (Optional)

Implement logging and monitoring to track the health and performance of your microservices.

## Step 12: Scaling (Optional)

Configure auto-scaling for services to handle varying loads.

Here's a simplified example of a Product Controller in the Product Service:

```plaintext
// ProductController.cs
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;

namespace ProductService.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class ProductsController : ControllerBase
    {
        private static List<Product> products = new List<Product>
        {
            new Product { Id = 1, Name = "Product 1", Price = 10.99 },
            new Product { Id = 2, Name = "Product 2", Price = 19.99 },
        };

        [HttpGet]
        public ActionResult<IEnumerable<Product>> Get()
        {
            return Ok(products);
        }

        // Other CRUD methods here
    }
}
```

This is just a basic outline to get you started with creating a microservices application in ASP.NET. In a real-world scenario, you would have more services, databases, and complexity to manage.


---

Original Source: https://www.mindstick.com/forum/159966/how-to-create-a-microservices-application-in-asp-dot-net-from-scratch-with-an-example

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