"CUS0003": {
    "CUSTOMIZATION": {
        "displayName": "Customization",
        "selections": [
            "PREPACK_NBA"
        ]
    },
    "PREPACK_NBA": {
        "displayName": "NBA"
    }
}

line 1: add mapping of CUSTOMER_MAPPER_CONFIG in install.py
line 2,5,8: the device path of the image dockerfile, refer to Dockerfile in prepack-nba in this case: CUSTOMIZATION/PREPACK_NBA