This script's purpose is to prepare the minimum to run a helm-chart on a cluster that have no access to the internet. The script does the following:
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It creates a list of all the images in the chart and it's subcharts. The file is "image-list.txt"
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It imports all the public images from that list to your private container registry
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It generates a basic values file so you can start editing with the updated images references. The file name is "generated_values.yaml"