Session Introduction

Welcome to this module of our Azure Kubernetes Service (AKS) course. In this lesson, you’ll learn how to:

Scaffold and run a simple ASP.NET Core Razor Pages application
Containerize the app using Docker Desktop
Optionally pull a pre-built image from Docker Hub

The Docker image you build here will be deployed to Azure in a later lesson.

Prerequisites

Make sure you have the following installed:

Prerequisite	Description
.NET 6 SDK	Download from Microsoft .NET
Docker Desktop	Install via Docker Desktop
Code Editor	Visual Studio Code, Visual Studio, or any editor of your choice

Ensure Docker Desktop is running before you build or pull any images.

1. Creating the ASP.NET Core Application

We’ll scaffold a basic Razor Pages app and review the IndexModel class. Create a new project and replace the contents of Pages/Index.cshtml.cs with:

using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.Extensions.Logging;

namespace KodeKloudApp.Pages
{
    public class IndexModel : PageModel
    {
        private readonly ILogger<IndexModel> _logger;

        public IndexModel(ILogger<IndexModel> logger)
        {
            _logger = logger;
        }

        public void OnGet()
        {
        }
    }
}

This minimal page model logs requests and serves the Razor Page on HTTP GET.

2. Containerizing with Docker

At the root of your ASP.NET project, add a Dockerfile similar to:

FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
WORKDIR /src
COPY . .
RUN dotnet restore
RUN dotnet publish -c Release -o /app

FROM mcr.microsoft.com/dotnet/aspnet:6.0 AS runtime
WORKDIR /app
COPY --from=build /app .
ENTRYPOINT ["dotnet", "KodeKloudApp.dll"]

Build the Docker image:

docker build -t yourrepo/kodekloudapp:latest .

A successful build will output stages like:

[+] Building 12.4s (5/17)
 => CACHED [build 1/7] FROM mcr.microsoft.com/dotnet/sdk:6.0 ...
 => [build 3/7] COPY . .
 => [build 4/7] RUN dotnet restore
 => [build 5/7] RUN dotnet build
 => [build 6/7] RUN dotnet publish
[base 1/2] FROM mcr.microsoft.com/dotnet/aspnet:6.0 ...
...

Dockerfile Stage	Purpose
build	Restores, builds, and publishes the app
runtime	Hosts the compiled app

After completion, you’ll have an image tagged yourrepo/kodekloudapp:latest.

3. Using a Pre-built Image (Optional)

If you’d rather skip local builds, pull the image directly from Docker Hub:

docker pull yourrepo/kodekloudapp:latest

You can browse Docker Hub and search for yourrepo/kodekloudapp to verify the image and get the exact pull command.

Introduction

Just Enough Azure for AKS

Building and containerizing sample application

Working with AKS

Networking in AKS

AKS Security

CI/CD Workflow for AKS

Observability

Close out

Session Introduction

Prerequisites

1. Creating the ASP.NET Core Application

2. Containerizing with Docker

3. Using a Pre-built Image (Optional)

References

Watch Video

​Prerequisites

​1. Creating the ASP.NET Core Application

​2. Containerizing with Docker

​3. Using a Pre-built Image (Optional)

​References

Watch Video

Prerequisites

1. Creating the ASP.NET Core Application

2. Containerizing with Docker

3. Using a Pre-built Image (Optional)

References