Banking on Go - GoSF meetup Sep 2017

Presented at GoSF meetup, September 2017

"Matt Heath will walk through how Monzo, a new UK based bank, have developed their Go-based banking platform along with some of the challenges they have faced while growing both their team and infrastructure."

Transcript

1. Banking on Go
   Matt Heath, Monzo
   

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2. Hi, I’m Matt
   @mattheath
   

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13. monoliths
    traditional dev
    

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14. Microservices
    

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15. Microservices
    

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18. monzo/typhon
    

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19. type Service func(req Request) Response
    

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20. router.GET("/", handler.List)
    router.POST("/", handler.Register)
    router.DELETE("/:id", handler.Deregister)
    

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26. Service
    Service
    

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27. Service
    Service Service
    Service
    

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28. + =
    ❤
    

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29. Service
    Service Service
    Service
    

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30. Service
    Service Service
    Service
    linkerd
    

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31. Service
    Service Service
    Service
    linkerd
    

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32. Service
    Service Service
    Service
    linkerd
    

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34. Service
    Service Service
    Service
    linkerd
    service

    discovery
    

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35. 0
    40
    80
    160
    120
    Feb
    2015
    200
    Number of services
    240
    280
    320
    Sep
    2017
    

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36. API card-api card-processing cards transactions ledger transaction-enrichment merchant feed-generator feed apns
    API card-api card-processing cards transactions ledger transaction-enrichment merchant feed-generator feed apns
    

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38. Attack of the mainframes
    

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39. monoliths
    traditional dev
    

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42. go generate payment_messages
    

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43. Kubernetes
    Service
    Third

    Parties
    ???
    

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44. Kubernetes
    
    Service
    service pod
    Go based

    UDP 

    encapsulator
    routing table

    routes IP range
    to local udp

    encapsulation

    interface
    “connectivity” pods
    VPN

    network

    interface
    Go based

    UDP 

    listener
    routing table

    routes packets

    to local vpn

    interface
    colocation
    VPN

    Appliance
    Third

    Parties
    

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46. GC Pauses
    

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53. Decimals
    

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58. Testing
    

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59. API card-api card-processing cards transactions ledger transaction-enrichment merchant feed-generator feed apns
    API card-api card-processing cards transactions ledger transaction-enrichment merchant feed-generator feed apns
    

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61. Future?
    

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63. Thanks!
    @mattheath
    @monzo
    

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