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Banking on Go
Matt Heath, Monzo
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Hi, I’m Matt
@mattheath
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monoliths
traditional dev
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Microservices
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Microservices
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monzo/typhon
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type Service func(req Request) Response
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router.GET("/", handler.List)
router.POST("/", handler.Register)
router.DELETE("/:id", handler.Deregister)
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Service
Service
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Service
Service Service
Service
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+ =
❤
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Service
Service Service
Service
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Service
Service Service
Service
linkerd
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Service
Service Service
Service
linkerd
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Service
Service Service
Service
linkerd
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Service
Service Service
Service
linkerd
service
discovery
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0
40
80
160
120
Feb
2015
200
Number of services
240
280
320
Sep
2017
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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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Attack of the mainframes
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monoliths
traditional dev
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go generate payment_messages
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Kubernetes
Service
Third
Parties
???
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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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GC Pauses
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Decimals
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Testing
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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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Future?
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Thanks!
@mattheath
@monzo