azure-functions

SKILL.md

Azure Functions

Table of Contents

Overview

When to Use

Quick Start

Reference Guides

Best Practices

Overview

Azure Functions enables serverless computing on Microsoft Azure. Build event-driven applications with automatic scaling, flexible bindings to various Azure services, and integrated monitoring through Application Insights.

When to Use

HTTP APIs and webhooks

Message-driven processing (Service Bus, Event Hub)

Scheduled jobs and CRON expressions

File and blob processing

Queue-based workflows

Real-time data processing

Microservices and backend logic

Integration with Azure ecosystem services

Quick Start

Minimal working example:

# Install Azure Functions Core Tools
curl https://aka.ms/install-artifacts-ubuntu.sh | bash

# Login to Azure
az login

# Create resource group
az group create --name myapp-rg --location eastus

# Create storage account (required for Functions)
az storage account create \
  --name myappstore \
  --location eastus \
  --resource-group myapp-rg \
  --sku Standard_LRS

# Create Function App
az functionapp create \
  --resource-group myapp-rg \
  --consumption-plan-location eastus \
  --runtime node \
  --runtime-version 18 \
  --functions-version 4 \
  --name myapp-function \
  --storage-account myappstore
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

Guide
Contents

Azure Function Creation with Azure CLI
Azure Function Creation with Azure CLI

Azure Function Implementation (Node.js)
Azure Function Implementation (Node.js)

Azure Functions with Terraform
Azure Functions with Terraform

Function Bindings Configuration
Function Bindings Configuration

Best Practices

✅ DO

Use managed identity for Azure services

Store secrets in Key Vault

Enable Application Insights

Implement idempotent functions

Use durable functions for long-running operations

Handle exceptions and failures

Monitor function execution

Use bindings instead of SDK calls

❌ DON'T

Store secrets in code or configuration

Ignore Application Insights

Create functions without error handling

Use blocking operations

Create long-running functions without Durable Functions

Ignore monitoring and logging

1d:[