Install a Next.js app on a Kubernetes cluster using MetalLB

Peter Jaffray — Mon, 23 Jan 2023 17:43:55 +0000

Install a Next.js app on a Kubernetes cluster using MetalLB following these steps

Create a Kubernetes cluster: You will need to have a Kubernetes cluster set up and running in order to deploy your Next.js app. There are various ways to set up a cluster, such as using a cloud provider like Google Kubernetes Engine (GKE) or Amazon Elastic Kubernetes Service (EKS), or by setting up a cluster on your own infrastructure using tools like kubeadm or kops.
Install MetalLB: MetalLB is a load balancer that can be used to assign a public IP address to a service in a Kubernetes cluster. To install MetalLB, you will need to run the following command on your cluster:


kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/main/manifests/namespace.yaml
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/main/manifests/metallb.yaml

Create a configuration file for MetalLB: You will need to create a configuration file that tells MetalLB which IP range it should use to assign IP addresses to services. You can create a configuration file using YAML.
Create a deployment and service for your Next.js app: You will need to create a deployment and a service for your Next.js app in order to deploy it to your Kubernetes cluster. You can do this by creating a deployment.yaml and a service.yaml file, then running the following command:

kubectl apply -f deployment.yaml
kubectl apply -f service.yaml

Update your service to use a LoadBalancer: In order for your Next.js app to be accessible from the internet, you will need to update your service to use a LoadBalancer. You can do this by running the following command:


kubectl patch svc <your-service-name> -p '{"spec": {"type": "LoadBalancer"}}'

Wait for MetalLB to assign an IP address: Once your service is updated to use a LoadBalancer, MetalLB will assign a public IP address to it. You can check the status of the IP address by running the following command:

kubectl get svc <your-service-name>

Take your time and read through the references. If you run into difficulty don't hesitate to ask for help in the comments below.

DEV Community: Peter Jaffray

Install a Next.js app on a Kubernetes cluster using MetalLB