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Deploying a .NET dockerized application with Kubernetes

Updated: Feb 15

In modern application development and deployment, Kubernetes has emerged as a leading platform for orchestrating containerized applications. Its ability to automate deployment, scaling, and management of containerized applications makes it an ideal choice for deploying .NET applications. In this guide, we'll walk through the process of deploying a .NET application using Docker and Kubernetes.

Deploying a .NET dockerized application with Kubernetes

Deploying a .NET dockerized application with Kubernetes

Before diving into Kubernetes deployment, let's ensure our environment is properly configured. We'll need to install a few tools:

  1. Minikube: Minikube allows us to run a Kubernetes cluster locally for testing purposes. bashCopy code choco install minikube

  2. Kubernetes CLI (kubectl): This command-line tool enables us to interact with our Kubernetes cluster. bashCopy code choco install kubernetes-cli

  3. Hypervisor: We'll need a hypervisor to run Minikube. For this guide, we recommend VirtualBox.

  4. Kubernetes Extension for Visual Studio Code: This extension simplifies Kubernetes configuration within VS Code.

Ensure that Minikube is properly configured and running with a compatible hypervisor. Additionally, install the Kubernetes extension for Visual Studio Code through the extensions tab.

Creating Deployment Configuration

With our environment set up, let's define the deployment configuration for our .NET application using Kubernetes YAML files.

Kubernetes uses YAML files to define deployment configurations, services, and other resources. These files provide a declarative way to specify how applications should be deployed and managed.

Let's create a YAML file named newstack-deploy.yaml to define our deployment configuration. We'll use Visual Studio Code with the Kubernetes extension for easy YAML file creation.

apiVersion: apps/v1 
kind: Deployment 
	name: web-deploy 
	replicas: 1 
			app: web-deploy 
					app: web-deploy 
			- name: web-container 
			  image: [NAS_IP]:[PORT]/newstack_web  # Replace with your DockerHub account or local repository 
			  - containerPort: 80

This YAML defines a deployment named web-deploy with a single replica running a container based on the specified image.

Deploying the Application

Now that we have our deployment configuration defined, let's deploy our .NET application to the Kubernetes cluster.

Apply the deployment YAML file to the cluster using the following command:

kubectl apply -f newstack-deploy.yaml

Verify that the deployment has been successfully applied by checking its status:

kubectl get deployments

Accessing the Application

Once the deployment is running, we can access our .NET application through a service exposed by Kubernetes.

Retrieve the IP address and port of the service associated with our deployment:

minikube service --url web-deploy

Navigate to the URL returned by Minikube, appending any necessary API endpoints, to access and test the functionality of our deployed .NET application.


In this guide, we've explored the process of deploying a .NET application using Docker and Kubernetes. By leveraging Kubernetes for orchestration, we can streamline the deployment, scaling, and management of our .NET applications with ease. As you continue your journey with Kubernetes and .NET development, remember to explore further resources for deepening your understanding and mastering these powerful technologies.

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