CoreTrailKitGUIDEApp Service Health check: remove the redirect
Explain why a health URL works in a browser but fails App Service Health check, inspect the first HTTP response, and verify a direct meaningful health endpoint.
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CoreTrailKitGUIDECoreTrailKitGUIDEAzure Functions: register a Python Blueprint
Explain why a Python v2 function defined in a Blueprint is missing from the app, register it with FunctionApp, and verify metadata and the handler before deployment.
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3 min readCoreTrailKitGUIDEAzure Tables 409: handle an existing entity
Diagnose a duplicate Azure Table create from its PartitionKey and RowKey, preserve the existing entity, and choose create, update, or upsert semantics deliberately.
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3 min readCoreTrailKitGUIDEAzure Queue: use the current pop receipt
Explain why a Queue message delete fails with an old pop receipt after an update, retain the returned receipt, and verify deletion without confusing it with message identity.
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3 min readCoreTrailKitGUIDEAzure Queue: align message encoding policies
Diagnose a producer sending plain JSON to a Base64 consumer, make the Queue SDK policies explicit, and distinguish payload repair from a secondary SDK exception.
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3 min readCoreTrailKitGUIDEAzure Blob 412: handle an ETag conflict
Explain an Azure Blob conditional-write failure, keep the ETag associated with the content read, and reevaluate competing changes instead of forcing an overwrite.
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3 min readCoreTrailKitGUIDEAzure Blob SAS: check start and expiry times
Diagnose a SAS that is not yet valid or has expired, use timezone-aware UTC values, and regenerate an appropriate access window without editing the signed query.
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3 min readCoreTrailKitGUIDEAzure Blob SAS: fix missing write permission
Distinguish an Azure Blob SAS permission failure from bad credentials, compare the granted operation with an overwrite request, and verify a narrowly scoped repair.
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3 min readCoreTrailKitGUIDEAzure Identity: trace an unavailable credential
Diagnose an incomplete EnvironmentCredential, identify the authentication flow the app intends to use, and separate credential selection from Azure resource authorization.
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3 min readCoreTrailKitGUIDEAzure App Service container startup fails: match the app port to the routing model
Diagnose Linux custom-container startup failures by checking the application listener, App Service container mode, routing port, and container logs.
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4 min read