azure-databricksdatabrickspythonlarge-language-model-llmretrieval-augmented-generation-ragartificial-intelligencesearch-and-retrievalml-flowmlflowapplication-programming-interface-apirestful-apilangchainlanggraphllamaindexmicrosoft-azureamazon-web-servicesgoogle-cloud-platformgood-clinical-practice-gcp