This document discusses serverless computing and provides examples of using Azure Functions. It introduces Joe Raio and his background. It then defines serverless computing and provides an example of using queues to trigger functions. Additional examples show using blobs to trigger image processing and API calls. The document discusses deployment isolation, managing functions through proxies, and includes links to documentation and samples.

2. Joe Raio
Senior Technical Evangelist
DX Audience
joe.raio@microsoft.com
@joescars
github.com/joescars
Based in Miami, FL United States.
Proud father. Passions are Music, Space,
Aviation & all things Technology

4. Serverless is to servers as wireless is
to wired.
Wireless internet still requires wires,
but customers don't need to
interact with them

13. {
"bindings": [
{
"name": "myQueueItem",
"type": "queueTrigger",
"direction": "in",
“queueName": "outputqueue",
"connection": "AzureWebJobsStorage"
},
{
"type": "blob",
"name": "outputBlob",
"path": "outblob/{rand-guid}.txt",
"connection": "AzureWebJobsStorage",
"direction": "out"
}
]
}
module.exports = function (context, myQueueItem, myOutputBlob) {
context.log('JavaScript queue trigger function ', myQueueItem);
//validate
if (myQueueItem.apiId && myQueueItem.method && myQueueItem.body)
{
const value = DoWork(myQueueItem);
if(value) {
context.bindings.myOutputBlob = JSON.stringify(value);
//myOutputBlob = JSON.stringify(value);
}
}
else {
//handle error queue item missing params
context.log('invalid queue item ', myQueueItem);
}
context.done();
}

14. public static void Run(byte[] image, string filename,
Stream outputBlob, TraceWriter log)
{
log.Info($"Processing image: {filename}");
var imageBuilder = ImageResizer.ImageBuilder.Current;
imageBuilder.Build(
image, outputBlob,
new ResizeSettings(640, 400, FitMode.Max, null), false);
}
{
"bindings": [
{
"name": "image",
"type": "blobTrigger",
"direction": "in",
"path": "card-input/{filename}.jpg",
"connection": "AzureWebJobsStorage"
},
{
"type": "blob",
"name": "outputBlob",
"path": "card-output/{filename}.jpg",
"connection": "AzureWebJobsStorage",
"direction": "out"
}
]
}

17. Every 15 minutes Clean tableFind and clean invalid data

18. File added to
Blob Storage
Transform CSV to data rows
CSV
Power BI
Chart graphic

19. Excel file saved
to OneDrive
Microsoft Graph API analyzes content Creates new sheets
with charts

20. Loaded web page
calls WebHook
Completed pageCreate ad based on user profile

21. Photo taken and
WebHook called Stores in blob storage Produces scaled images

22. Millions of devices feed
into Stream Analytics
Store data in
SQL Online
Transform to structured data

24. Deployment and management isolation
Customers
Products
Orders
API calls
customers.azurewebsites.net
products.azurewebsites.net
orders.azurewebsites.net

25. Function app A
/customers
Function app B
/products
Function app C
Function3/orders
Function1
API proxy endpoints
HttpTrigger function endpoints
Key:
/products
/orders
Function2

26. New file on site root: proxies.json
{
"proxies": {
"proxy1": {
"matchCondition": {
"methods": [],
"route": "/api/{test}"
},
"backendUri": "https://contoso.azurewebsites.net/api/{test}"
}
}
}

30. https://www.npmjs.com/package/azur
e-functions-core-tools

32. https://aka.ms/2017functiontools

35. Azure
Functions
Demo

36. • Costa Farms
http://aka.ms/costafarms
https://github.com/joescars/CostaIoTSensorProject
• Fish Angler
http://aka.ms/fishangler
https://github.com/FishAngler/AzureFunctions
• Simple Recon
https://github.com/simpledealersuite/media2azure
• NullspaceVR
https://github.com/DaveVoyles/NullspaceVR-web-portal/tree/master/AzureFunctions
• Missing Children Society of Canada
https://github.com/Missing-Children-Society-Canada

37. https://github.com/Azure/Azure-Functions
Azure WebJobs SDK script
Azure WebJobs SDK
Azure WebJobs SDK extensions
Azure Functions CLI
Azure Functions Portal
Azure Functions templates
Azure Functions samples

38. http://aka.ms/TryFunctions
https://aka.ms/func-github

39. Joe.Raio@Microsoft.com
Download this presentation:
slideshare.net/joeraio