To customize the Helm deployment, for example applying AMPs, we recommend following the best practice of creating your own custom Docker image(s). The following customization guidelines walk you through this process.
Any customizations (including major configuration changes) should be done inside the Docker image, resulting in the creation of a new image with a new tag. This approach allows changes to be tracked in the source code (Dockerfile) and rolling updates to the deployment in the Kubernetes cluster.
The Helm chart configuration customization should only include environment-specific changes (for example DB server connection properties) or altered Docker image names and tags. The configuration changes applied via --set will only be reflected in the configuration stored in Kubernetes cluster, a better approach would be to have those in source control i.e. maintain your own values files.