anonymous user
I understand you want to know where to find the above variables for your storage account. Please correct me if I am wrong.
STORAGE_ACCOUNT should be the Storage account name. STORAGE_ACCOUNT_KEY can be found on the Access keys tab under Security + Networking. STORAGE_URL will be the Blob service URL under the Endpoints tab under Settings. STORAGE_CONTAINER_NAME should be the container name, you can view a list of containers under the Containers tab.
Hope this helps! Let us know if you have further questions or need more assistance.
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