Azure Functions Tips - Index

Error Handling

When integrating with Azure Storage blobs and queues, Service Bus queues, Cosmos DB and a few other Azure services you may run into errors raised by these services. Apply error handling in your Azure Functions to enhance robustness.
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Application Insights for Logging

It offers the benefit of a logging capability and more such as measuring performance, visualize dependencies (Application Map), and analytics.
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Avoid Long Running Functions

Functions are suitable for executing code fast and stateless. What are the options to execute long running activity.
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Use Storage Queues For Cross Function Communication

Keeping functions small and delegate depending tasks to other functions through queues provides you with the ability to scale your functions easily when workloads increase.
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Write Stateless Functions

When you design a serverless architecture then you should write your functions stateless and idempotent. In a serverless architecture, your functions should “do one thing”, be stateless and idempotent, and finish as quickly as possible.
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Choosing The Right Plan

Consumption Plan or App Service Plan? Pay-as-you-go or need your Functions available always? Use the right plan for scaling
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Secure Logic Apps using API Management

API Management comes with more security features and other capabilities that can be valuable for exposing your functions to the outside world.
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Build Production Ready Functions With Visual Studio

When building a production-ready function use a code-editor such as Visual Studio, to benefit from intelli-sense, and debugging capabilities it offers.
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Choose The Right Runtime Version

Full .NET or .NET Core? What does Microsoft recommend? Should I ignore version 1? What are the challenges?
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Use KeyVault for Sensitive Configuration Settings

When you are dealing with sensitive settings for your function you can choose to place these in Azure KeyVault.
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Add Unit Tests To Your Functions

Azure Functions are small pieces of code you can run in the cloud. Even with these little pieces of code, you should create unit tests.
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Analyse And Troubleshooting Azure Functions With KUDU

KUDU is very useful for diagnostic and troubleshooting purposes when your function or function host fails and more suitable for operations professionals
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