Metaflow step that deploys the best model using AWS SAM

recommender.py

    @step
    def deploy_best_model(self):
        """
        Deploy the best model to AWS Lambda using SAM CLI
        """
        try:
            AWS_REGION = "ap-southeast-2"
            BASE_PATH = "sam"
            PROFILE_NAME = "Cevo-Dev.AWSFullAccountAdmin"
            BEST_MODEL = self.MODEL_PKL_FILENAME

            sam_command = f"cd {BASE_PATH} && sam build && sam deploy --region {AWS_REGION} \
              --profile {PROFILE_NAME} --no-confirm-changeset --parameter-overrides \
              'ParameterKey=BestModel,ParameterValue={BEST_MODEL}'"
            print(sam_command)
            os.system(sam_command)

        except Exception as e_xc:
            print(str(e_xc))
            exit(1)
        self.next(self.end)