helm is kubernetes package manager You can use helm to download ready packages for kubernetes like ingress-nginx or cert-manager
Skaffold handles the workflow for building, pushing and deploying your application, allowing you to focus on what matters most: writing code.
You can install skaffold from here : https://skaffold.dev/docs/install/
you will focus on writing code it can build the image for you and deploy your image into kubernetes cluster.
You can find example of configuration for the complex project at