My slide presentation about doing Serverless with Amazon Web Services Lambda and NodeJS at TechInAsia Conference Jakarta 2016

1. GoingServerless
WITH AWS LAMBDA + NODEJS
JSJakartaJakarta JavaScript User Group

2. ABOUT ME
HI, I’M RIZA
riza@hacktiv8.com
facebook.com/rizafahmi
github.com/rizafahmi
medium.com/@rizafahmi22
@rizafahmi22
appscoast.id

3. Nov‘13
First Meetup
1.459
Members
26
Meetup Events
Held
100-ish
Attendees per month
meetup.com/JakartaJS
JSJakartaJakarta JavaScript User Group

5. https://meetup.com/JakartaJS
https://jakartajs-join.herokuapp.com
JSJakartaJakarta JavaScript User Group

6. Serverless

7. “ANewCloudComputingTrendThat
ChangesTheWayYouThinkAbout
WritingAndMaintainingApplications”
Tomasz Janczuk
Chief Architect for Webtasks at Auth0

8. ThePieces

9. Lambda

10. EC2
EC2 Container
Service
Elastic
Beanstalk
Lambda
WhatLambdaReallyIs

11. WhyYouShouldUseLambda
Auto Scaling
Secure

12. Autoscale

13. AutoscaleAllTheWay!

14. 2010
2014 AWS Lambda
2016 Google Cloud Functions
Microsoft Azure Functions
2015 Webtask Rad
TonicDev
FunctionsServiceTimeline

15. APIGateway

16. Databases

17. OtherServices

18. “Serverless”Infrastructure

19. UseCases

20. ScalableAPI

21. ScheduledTasks

22. IndexingandSync

23. AutomationandiOT

24. Auditand
Notification

25. Pricing

26. Free Tier
1MRequest
3MSeconds
of compute time

27. LambdaFunction
Our very first

28. GettingStarted

29. ChooseYourWeapon

30. Triggers

31. WriteYourCode

32. 1 'use strict';
2 console.log('Loading function');
3
4 exports.handler = (event, context, callback)
=> {
5 let min = 1
6 let max = 10
7
8 let random_number = Math.floor(Math.random() *
9 max) + min
10 let mark = ""
11 for (let i=min; i<random_number; i
++)
12 mark = mark + "!"
13
14 callback(null, "Hello Bandung" + mark)
15 }
Zoomingintocode…

33. Settingitup!

34. Testit

35. ConnectingLambda
ToAPIGateway

36. CreateNewAPI

37. ConnectToLambdaFunction

38. Publishit

39. Testit

40. SlackBotServerless

41. AddSlackWebHookConfig

43. TheCode
1 const AWS = require('aws-sdk')
2 const db = new AWS.DynamoDB.DocumentClient({region: 'ap-southeast-1'})
3
4 exports.handler = (event, context, callback)
=> {
5 console.log(event)
6 if (event.user_name) {
7 const params = {
8 Item: {
9 date: Date.now(),
10 user_name: event.user_name
11 },
12 TableName: 'report_log'
13 }
14 db.put(params, (err, data)
=> {
15 context.succeed({
16 "response_type": "in_channel",
17 "text": "Hi " + event.user_name +"! It's time for standup meeting."
18 })
19 })
20 }
21 };

44. SettingUpTheDatabase

45. SettingUpTheDatabase

46. PermissionToUseTheDB

47. TheTrigger

48. Publishit

49. Hookit

50. Hookit

51. Runit

52. OurAutoscalingAndMaintenanceFreeBotIsFinished
NowLet’sBuildSkynet!

53. JSJakartaJakarta JavaScript User Group