which one to use and when

App Config

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Main Feature -

• Settings for the application

• Feature flags

When to use- To separate configuration from code

Use case -

• Container based microservices with centralized application setting

• Continuous deployment

Benefits-

• flexible key representation

• tagging of keys

• enhanced security

• fully managed keys

• centralized management

• change app setting without app restart

• control features -real time

Reference URL- https://learn.microsoft.com/en-us/azure/azure-app-configuration/overview

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Azure Key Vault

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Main Feature -

• Secrets Management

• Key Management

• Certificate Management

When to use-

• Key

  • store and manage cryptographic keys

• Secrets

  • passwords

  • Connection strings

• Certificates

  • X.509 certificates

Use case -

• application that needs Key rotation

• application that need to maintain history of key / secrets

Benefits-

• • purge protection

    • Enabling logging for Key Vault

    • configure alerts

    • Versioning of keys

Reference URL- https://learn.microsoft.com/en-us/azure/key-vault/general/overview