Serverless PHP @ PHPCon Poland 2019

#serverless nie był do tej pory gorącym tematem w świecie PHP, ponieważ żaden z dostawców usług chmurowych nie wspiera natywnie PHP w środowisku tego typu. Pod koniec zeszłego roku AWS udostępniło dwie nowe usługi (Lambda Runtime API oraz Lambda Layers), które pozwalają na samodzielne dodanie PHP do środowiska typu #serveless. Podczas prezentacji omówię poszczególne elementy takiej architektury oraz pokażę kod PHP działąjacy na AWS Lambda.

Transcript

1. Serverless PHP
   Sebastian Grodzicki @ PHPCon Poland 2019
   @sebgrodzicki
   

   View Slide

2. 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
   

   View Slide

3. 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
   

   View Slide

4. phpinfo();
   Sebastian Grodzicki

   • Engineering Manager at
   • ex-CTO at SHOWROOM & GoldenLine
   • PHP developer for 15+ years
   • #serverless
   @sebgrodzicki
   

   View Slide

5. Serverless
   • storage as a service (e.g. Amazon S3),
   • database as a service (e.g. Amazon Aurora),
   • message queue as a service (e.g. Amazon SQS),
   • etc.
   

   View Slide

6. Serverless replaces the traditional
   approaches to running applications.
   

   View Slide

7. Platform options
   Physical servers
   

   View Slide

8. Platform options
   Physical servers
   Virtual machines
   

   View Slide

9. Platform options
   Physical servers
   Virtual machines
   Containers
   

   View Slide

10. Platform options
    Physical servers
    Virtual machines
    Containers
    Platform
    

    View Slide

11. Platform options
    Physical servers
    Virtual machines
    Containers
    Platform
    Serverless
    

    View Slide

12. Platform options
    Physical servers
    Virtual machines
    Containers
    Platform
    Serverless
    Abstraction
    

    View Slide

13. Platform options
    Physical servers
    Virtual machines
    Containers
    Platform
    Serverless
    Abstraction Control
    

    View Slide

14. Why serverless?
    

    View Slide

15. Why serverless?
    • We don't manage, update, configure, provision servers or
    containers,
    

    View Slide

16. Why serverless?
    • We don't manage, update, configure, provision servers or
    containers,
    • We don't reserve or scale servers or containers, instead
    they are scaled automatically and transparently for us,
    

    View Slide

17. Why serverless?
    • We don't manage, update, configure, provision servers or
    containers,
    • We don't reserve or scale servers or containers, instead
    they are scaled automatically and transparently for us,
    • We don't pay for fixed resources, instead we pay for what
    we actually use (e.g. execution time).
    

    View Slide

18. Serverless can provide more scalable, affordable
    and reliable architectures for less effort.
    

    View Slide

19. Data center evolution
    DC
    

    View Slide

20. Data center evolution
    DC
    

    View Slide

21. Data center evolution
    DC
    

    View Slide

22. Data center evolution
    DC
    VM VM
    VM
    VM
    VM VM
    VM
    VM
    VM VM
    VM
    VM
    

    View Slide

23. Data center evolution
    DC
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    VM
    C C
    C C
    C C
    

    View Slide

24. Data center evolution
    

    DNS
    

    CDN
    

    View Slide

25. Data center evolution
    PaaS
    IaaS SaaS
    

    View Slide

26. Function as a Service (FaaS)
    

    View Slide

27. FaaS
    AWS Lambda
    Microsoft Azure Functions Google Cloud Functions
    

    View Slide

28. FaaS
    AWS Lambda
    

    View Slide

29. Bref
    

    View Slide

30. $ composer require bref/bref
    CLI
    

    View Slide

31. $ composer require bref/bref
    $ vendor/bin/bref init
    CLI
    

    View Slide

32. 

    echo 'Hello world!';
    index.php
    

    View Slide

33. service: app

    

    provider:

    name: aws

    region: us-east-1

    runtime: provided

    

    plugins:

    - ./vendor/bref/bref

    

    functions:

    api:

    handler: index.php

    description: ''

    timeout: 28 # in seconds (API Gateway has a timeout of 29
    seconds)

    layers:

    - ${bref:layer.php-73-fpm}

    events:

    - http: 'ANY /'

    - http: 'ANY /{proxy+}'
    serverless.yml
    

    View Slide

34. $ composer require bref/bref
    $ vendor/bin/bref init

    

    $ serverless deploy
    CLI
    

    View Slide

35. View Slide

36. 

    phpinfo();
    index.php
    

    View Slide

37. View Slide

38. View Slide

39. View Slide

40. View Slide

41. $ serverless invoke -f function
    "Hello world"
    CLI
    

    View Slide

42. $ serverless invoke -f function -l

    

    "Hello world"

    

    ------------------------------------------------------

    START RequestId: 71dd0550-46b4-4f13-8438-8f687f385d0c
    Version: $LATEST

    

    END RequestId: 71dd0550-46b4-4f13-8438-8f687f385d0c

    

    REPORT

    RequestId: 71dd0550-46b4-4f13-8438-8f687f385d0c
    Duration: 14.20 ms

    Billed Duration: 100 ms

    Memory Size: 1024 MB

    Max Memory Used: 67 MB
    CLI
    

    View Slide

43. 

    require __DIR__.'/vendor/autoload.php';

    

    lambda(function (array $event) {

    return 'Hello ' . ($event['name'] ?? 'world');

    });
    index.php
    

    View Slide

44. $ serverless invoke \

    > --function function \

    > --data='{"name":"PHPCon Poland"}'

    

    "Hello PHPCon Poland"
    CLI
    

    View Slide

45. View Slide

46. Benchmarks: Cold starts
    128 512 1024 2048
    PHP function 500 ms 240 ms 230 ms 220 ms
    HTTP
    application
    345 ms 250 ms 240 ms 240 ms
    Symfony 5.4 s 1.4 s 800 ms 500 ms
    

    View Slide

47. Benchmarks: Average (warm) execution time
    128 512 1024 2048
    PHP function 175 ms 35 ms 16 ms 13 ms
    HTTP
    application
    10 ms 1 ms 1 ms 1 ms
    Symfony 58 ms 4 ms 4 ms 4 ms
    

    View Slide

48. Benchmarks: CPU performance
    128 512 1024 2048
    bench.php 5.7 s 1.4 s 0.65 s 0.33 s
    

    View Slide

49. Maturity matrix
    Simplicity Performances Reliability
    Jobs, Cron ⬤ ⬤ ⬤
    API ⬤ ⬤ ⬤
    API with MySQL /
    PostgreSQL
    ⬤ ⬤ ⬤
    Website ⬤ ⬤ ⬤
    Website with MySQL /
    PostgreSQL
    ⬤ ⬤ ⬤
    Legacy application ⬤ ⬤ ⬤
    

    View Slide

50. Runtime
    

    View Slide

51. Who uses Laravel?
    ȱȱȱȱȱȱȱȱȱȱ
    

    View Slide

52. Laravel Vapor
    

    View Slide

53. Laravel Vapor
    

    View Slide

54. PrettyCI
    

    View Slide

55. PrettyCI
    

    View Slide

56. PrettyCI
    

    View Slide

57. Questions?
    

    View Slide

58. Thank you!
    

    View Slide