I want to create a backend for this code here and the api key that will generate the image 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