Symfony2 killed me!

From monolithic to microservices at Blablacar.
Talk given at sfPot Nantes #1

Transcript

1. Symfony2 killed me!
   Olivier Dolbeau
   sfPot Nantes #1
   

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2. @odolbeau
   Web Architect
   Olivier Dolbeau
   

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6. From monolithic to microservices.
   

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7. Front
   Admin
   API
   Workers
   Monolithic application
   

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8. “It does everything,
   even coffee”
   Every developer ever
   

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9. So big!
   

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10. 406 187
    NLOC
    There are “only” 268 041 NLOC for symfony/symfony
    

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11. 29 582
    Commits
    There are “only” 15 506 commits for symfony/symfony
    There are “only” 10 228 commits for joyent/node
    There are “only” 9 266 commits for twbs/bootstrap
    There are 44 809 commits for rails/rails (but it’s ruby… #troll)
    

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12. ~ 75
    contributors
    There are 1 193 contributors for symfony/symfony
    

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13. 3 536
    tests
    There are 17 593 tests for symfony/symfony
    

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14. 20
    minutes to run them all
    28 minutes for symfony/symfony… #fake
    

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17. Cons
    ● Conflicts
    ● Time consuming
    ● Maintenance
    ● Learning curve
    ● Side effects
    

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18. “With minor change
    comes major bugs”
    Myself based on its personal experience.
    

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19. Objectifs
    Our technical
    objectives at
    Blablacar
    

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20. Exponential growth
    20 million
    members in April 2015
    

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21. countries
    NEW IN
    2015
    India
    Mexico
    Hungary
    Romania
    Serbia
    Croatia
    19
    

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22. BlaBlaCar is
    deploying multiple
    datacenters.
    

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23. We need to
    localize our data.
    

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24. MICRO-SERVICES
    

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25. Micro-services
    Users, ratings, notifications, moderation...
    

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26. Overview
    

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27. Overview
    

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28. NO API!
    

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29. Enter the gateway...
    

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30. ● It’s code.
    ● It use DDD.
    ● Everyone love it!
    ● It’s very well organized.
    ● There’s a lot of (very) strict rules.
    ● It separate business logic & data access.
    ● It’s a vendor! It’s easy to use everywhere!
    

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31. Global organisation
    

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32. How to: Get a rating
    

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33. Business
    

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35. Request
    

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36. Usage
    

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37. Usage
    

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38. Usage
    

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39. Usage
    

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40. Usage
    

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41. Response
    

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42. Handler
    

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43. Global organisation
    

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44. Data
    

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45. ● Cache ready
    ● backend agnostic
    

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46. ● Cache ready
    ● backend agnostic
    Encapsulation FTW!
    

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47. D
    BALStorage
    

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48. RedisStorage
    

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49. Gateway
    ● Flexible
    ● Usable everywhere
    ● Very strict
    ● Easy to test
    ● Deployed when needed
    ● Used for all new
    projects
    

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50. V3
    Previous ecosystem
    

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51. Gateway
    V3
    W
    W
    W
    W
    W
    C W
    C
    C
    C
    W
    Current ecosystem
    W
    ● 90 workers
    ● 40 commands
    

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52. V3
    W
    W
    W
    W
    W
    C
    W
    C
    C
    C
    W
    Future ecosystem?
    W
    Gateway
    Gateway
    Gateway
    

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53. V3
    W
    W
    W
    W
    W
    C
    W
    C
    C
    C
    W
    Future ecosystem?
    W
    B
    B
    B B
    B
    B
    D
    D
    D
    

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