Node-RED is a browser based tool that can create visual flows and API's. It's written in NodeJS, Open-source and backed by IBM. You can write your own custom functions in Javascript or community and deploy them as part of your flow.
This blog post will cover how to setup Node-RED on Kubernetes.
Prerequisites
This guide assumes you already have K8s with persistent storage or k3s setup.
Deployment YAML
Download the following YAML and unzip: https://gist.github.com/adamhancock/a8447dcf479679bfb467ca9d5fbb64ad
Update ingress.yml and replace yourdomain.tld with your domain. Change into the extracted directory and run
kubectl apply -f .Point your yourdomain.tld DNS at your ingress controller and your Node-RED should will be available.