Applications need credentials to call Azure services, and every stored secret is something that can leak, expire or be forgotten in a repository. A managed identity solves this: Azure creates an identity in Microsoft Entra ID for your resource and handles its credentials for you. Your code asks the local platform endpoint for a token and uses it to call any service that supports Microsoft Entra authentication, such as Key Vault, Storage, Service Bus, Cosmos DB, Azure SQL and PostgreSQL.
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