1. Data-driven serverless apps with Azure functions
Anton Boyko
Microsoft Azure MVP
Solution Ciklum

2. Sponsors

3. Serverless?

4. Developer maturity level
How can I do it?
Junior
How can I do it more elegantly?
Middle
How can I NOT do it?
Senior

5. Traditional server Fixed reserved CPU Fixed reserved RAM
Pay for reserved resourced

6. Serverless On-demand CPU (per second) On-demand RAM (per Mb)
Pay for number of executions and on- demand resources consumed

7. Abstraction of servers
Serverless
Abstraction of servers
Sub-second billing
Event-driven scale
Abstraction of servers, infrastructure and configuration of operating system
Event-driven scale
Sub-second billing
Stateless

8. Reserved vs On-demand Job1 Job2 Job3 Jobs Instances Instance1
Queue
Job1
Job2
Job3
Jobs
Instances
Instance1
Instance2
Instance3
Job1
Job2
Job3

9. Azure functions?

10. I have a “code”
I have an “event data”

11. I have a “code”
I have an “event data”
BOOM!

12. Stateless Small Single unit of work C# F# HTTP(S) Java Timer NodeJS
Python
PowerShell …
HTTP(S)
Timer
Queue
Storage …
Azure Functions
Stateless
Small
Single unit of work

13. Triggers Schedule HTTP Azure Blob Storage Azure Event Hub
Azure Queue Storage
Azure Service Bus Queue
Azure Service Bus Topics & Subscriptions

14. Bindings Input Output Azure Blob Storage Azure Table Storage
Azure Document DB
SQL database via Azure Mobile Apps
all mentioned above (except Schedule)
Azure Notification Hub
Twilio
SendGrid

15. function.json

16. run.csx

17. Applications

18. Example: Timer based processing
Every 15 minutes
Clean table
Find and clean invalid data

19. Example: Azure service event processing
File added to
Blob Storage
Transform CSV to data rows
CSV
Power BI
Chart

20. Example: Serverless Web Applications architectures
Loaded web page
calls WebHook
Completed page
Create ad based on user profile

21. Example: Serverless Mobile back ends
Photo taken and
WebHook called
Stores in blob storage
Produces scaled images

22. Example: Real-time bot messaging?
...
Cortana Analytics answers questions
Message sent
to Chatbot
Chatbot sends
response

23. Toolset

24. Azure Storage Emulator https://docs. microsoft
Azure Storage Emulator use-emulator
Azure Storage Explorer
Azure Functions CLI
Azure Functions Tools for Visual Studio ual-studio-tools-for-azure-functions/
Azure Functions Tools for Visual Studio re-function-tools-for-visual-studio-2017/
Azure Functions Docs functions/functions-overview

25. Demo

26. Azure Functions
Приступаем к работе с Azure Functions используя утилиты командной строки
Разбор структуры проекта Azure Functions Queue Trigger
Разбор структуры проекта Azure Functions Blob Trigger
Запускаем Azure Functions локально используя эмулятор

27. Precompiled Azure Functions
Concept /16/publishing-a-net-class-library-as-a-function-app/
Demo

28. Questions? Anton Boyko Microsoft Azure MVP Solution Architect @ Ciklum