Azure Functions Serverless

  # Install Core Tools
brew tap azure/functions
brew install azure-functions-core-tools@4

# Create project (Node.js v4 programming model)
func init MyFunctionApp --worker-runtime node --model V4
cd MyFunctionApp
func new --name HttpHello --template "HTTP trigger"

# Local run with storage emulator
func start
  

  const { app } = require('@azure/functions');

app.http('HttpHello', {
  methods: ['GET', 'POST'],
  authLevel: 'function',
  handler: async (request, context) => {
    const name = request.query.get('name') || 'World';
    context.log(`Processing request for: ${name}`);
    return { status: 200, jsonBody: { message: `Hello, ${name}!` } };
  }
});
  

  # Create storage account (required for Functions runtime state)
az storage account create \
  --name stfuncprod001 \
  --resource-group rg-webapp-prod \
  --location eastus \
  --sku Standard_LRS

# Create Function App on Consumption plan
az functionapp create \
  --resource-group rg-webapp-prod \
  --consumption-plan-location eastus \
  --runtime node \
  --runtime-version 20 \
  --functions-version 4 \
  --name func-webapp-prod \
  --storage-account stfuncprod001 \
  --os-type Linux

# Enable Application Insights
az monitor app-insights component create \
  --app ai-func-prod \
  --location eastus \
  --resource-group rg-webapp-prod \
  --application-type web \
  --kind web

az functionapp config appsettings set \
  --name func-webapp-prod \
  --resource-group rg-webapp-prod \
  --settings APPLICATIONINSIGHTS_CONNECTION_STRING="<connection-string>"

func azure functionapp publish func-webapp-prod
  

  {
  "bindings": [
    {
      "name": "msg",
      "type": "serviceBusTrigger",
      "direction": "in",
      "queueName": "orders",
      "connection": "ServiceBusConnection"
    }
  ]
}
  

  const df = require('durable-functions');

df.app.orchestration('orderOrchestrator', function* (context) {
  const order = context.df.getInput();
  const inventory = yield context.df.callActivity('checkInventory', order);
  if (!inventory.available) {
    yield context.df.callActivity('notifyBackorder', order);
    return { status: 'backordered' };
  }
  yield context.df.callActivity('processPayment', order);
  yield context.df.callActivity('shipOrder', order);
  return { status: 'shipped' };
});
  

  # Stream live logs
func azure functionapp logstream func-webapp-prod

# List function keys
az functionapp function keys list \
  --name func-webapp-prod \
  --resource-group rg-webapp-prod \
  --function-name HttpHello