Syed Nadeem HussainMicroservices architecture has revolutionized software development, enabling scalable and maintainable applications. With the latest .NET 8.0, building microservices is more efficient and powerful than ever. Here’s a quick guide to get you started:
Setting Up Your Environment
- Install .NET 8.0 SDK
- Install Docker
- Set Up Kubernetes
Developing Your Microservices
Create your microservices with ASP.NET Core Web API. Here’s a simple example:
OrderService/OrderController.cs:
using Microsoft.AspNetCore.Mvc;
namespace OrderService.Controllers
{
[ApiController]
[Route("[controller]")]
public class OrderController : ControllerBase
{
[HttpGet]
public IActionResult GetOrders()
{
var orders = new List<string> { "Order1", "Order2", "Order3" };
return Ok(orders);
}
}
}
Containerizing with Docker
Create Dockerfiles to containerize your microservices:
OrderService/Dockerfile:
FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
WORKDIR /app
EXPOSE 80
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
WORKDIR /src
COPY ["OrderService/OrderService.csproj", "OrderService/"]
RUN dotnet restore "OrderService/OrderService.csproj"
COPY . .
WORKDIR "/src/OrderService"
RUN dotnet build "OrderService.csproj" -c Release -o /app/build
FROM build AS publish
RUN dotnet publish "OrderService.csproj" -c Release -o /app/publish
FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "OrderService.dll"]
Deploying to Kubernetes
Deploy your Dockerized microservices to Kubernetes with simple manifests:
OrderService/k8s-deployment.yaml:
apiVersion: apps/v1
kind: Deployment
metadata:
name: orderservice-deployment
spec:
replicas: 2
selector:
matchLabels:
app: orderservice
template:
metadata:
labels:
app: orderservice
spec:
containers:
- name: orderservice
image: orderservice:latest
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: orderservice
spec:
selector:
app: orderservice
ports:
- protocol: TCP
port: 80
targetPort: 80
Learn More
To dive deeper into building and scaling microservices with .NET 8.0 and Kubernetes, read the full blog post here.
