Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Microservices & Go - GOTO Copenhagen 2016
Search
mattheath
October 04, 2016
Technology
2
1.6k
Microservices & Go - GOTO Copenhagen 2016
mattheath
October 04, 2016
Tweet
Share
More Decks by mattheath
See All by mattheath
Breaking down problems
mattheath
2
360
Contexts in Context
mattheath
0
210
A guided journey of Cloud Native
mattheath
1
150
Modelling prototypes to critical systems with Cassandra
mattheath
0
250
Building a Cloud Native Bank
mattheath
1
210
Building a Cloud Native Bank
mattheath
0
360
Building reliable APIs
mattheath
0
290
Go and Microservices - NDC London 2018
mattheath
0
260
Architecting a Bank from scratch
mattheath
1
820
Other Decks in Technology
See All in Technology
IBC 2025 動画技術関連レポート / IBC 2025 Report
cyberagentdevelopers
PRO
2
180
オブザーバビリティと育てた ID管理・認証認可基盤の歩み / The Journey of an ID Management, Authentication, and Authorization Platform Nurtured with Observability
kaminashi
1
710
Retrospectiveを振り返ろう
nakasho
0
110
JSConf JPのwebsiteをGatsbyからNext.jsに移行した話 - Next.jsの多言語静的サイトと課題
leko
2
190
AIプロダクトのプロンプト実践テクニック / Practical Techniques for AI Product Prompts
saka2jp
0
110
What's new in OpenShift 4.20
redhatlivestreaming
0
270
ラスベガスの歩き方 2025年版(re:Invent 事前勉強会)
junjikoide
0
130
ローカルLLMとLINE Botの組み合わせ その2(EVO-X2でgpt-oss-120bを利用) / LINE DC Generative AI Meetup #7
you
PRO
1
160
Azure Well-Architected Framework入門
tomokusaba
1
130
ソースを読む時の思考プロセスの例-MkDocs
sat
PRO
1
180
【SORACOM UG Explorer 2025】さらなる10年へ ~ SORACOM MVC 発表
soracom
PRO
0
150
AWS DMS で SQL Server を移行してみた/aws-dms-sql-server-migration
emiki
0
240
Featured
See All Featured
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Context Engineering - Making Every Token Count
addyosmani
8
300
Git: the NoSQL Database
bkeepers
PRO
431
66k
Unsuck your backbone
ammeep
671
58k
The Pragmatic Product Professional
lauravandoore
36
7k
Keith and Marios Guide to Fast Websites
keithpitt
411
23k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
190
55k
The Language of Interfaces
destraynor
162
25k
Visualization
eitanlees
149
16k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.1k
How to Ace a Technical Interview
jacobian
280
24k
The Straight Up "How To Draw Better" Workshop
denniskardys
238
140k
Transcript
Microservices & Go Matt Heath, Monzo
None
Hi, I’m Matt @mattheath
None
None
None
monoliths traditional dev
None
None
None
None
None
None
None
None
None
?
Application
Application Database
Application Database
Application Databases
Application Databases Search
Application Databases Search Caching
Application Databases Search Caching CAT GIFS
ALL HAIL THE MONOLITH
None
Application Databases Search Caching CAT GIFS
APPLICATION Application
None
None
Single Responsibility Principle
Bounded Context
Well defined Interfaces
Composability
None
Simple
Lightweight Concurrency
// Blocking handleRequest()
// Runs concurrently // in a goroutine go handleRequest()
Go Routines
Channels
Static Linking
None
None
monzo/typhon
Service Service
Service Service Message Bus
Service Service Message Bus Request Queue
Service Service Message Bus Service Service Request Queue - Service
Discovery - Load Balancing
Service Service Message Bus Service Service Pull Request Queue
Service Service Message Bus Service Service
0 40 80 160 120 Feb 2015 Oct 2016
Service Service Message Bus Service Service Client library Server library
Service Service Service Service HTTP HTTP
Service Discovery Load Balancing Timeouts and Expirations Retries Rate Limiting
Connection Pooling Circuit Breaking Failure Detection Metrics and Tracing Interrupts Context Propagation
Service Service Service Service HTTP HTTP ?
Service Service Service Service HTTP HTTP linkerd
Service Discovery Load Balancing Timeouts and Expirations Retries Rate Limiting
Connection Pooling Circuit Breaking Failure Detection Metrics and Tracing Interrupts Context Propagation
Load Balancer
Load Balancer HTTP API & Routing Layer
Load Balancer HTTP API & Routing Layer API Service
None
/webhooks —-> Webhook API
Load Balancer HTTP API & Routing Layer Webhook API
Auth Service Webhook Service Load Balancer HTTP API & Routing
Layer Webhook API
Auth Service Webhook Service Load Balancer HTTP API & Routing
Layer Webhook API Database
Database Auth Service Webhook Service Load Balancer HTTP API &
Routing Layer Webhook API Database
External Provider Database Auth Service Webhook Service Load Balancer HTTP
API & Routing Layer Webhook API Database
type Service func(req Request) Response
router.GET("/", List) router.POST("/", Register) router.DELETE("/:id", Deregister)
Making our service reliable
+ = ❤
None
Webhook Service Webhook Service Webhook Service Load Balancer HTTP API
& Routing Layer Webhook API
Webhook Service Webhook Service Webhook Service Load Balancer HTTP API
& Routing Layer Webhook API
Webhook Service Webhook Service Webhook Service Webhook Service Load Balancer
HTTP API & Routing Layer Webhook API
Webhook Service Webhook Service Webhook Service Webhook Service Load Balancer
HTTP API & Routing Layer Webhook API Slow or Errors
Event Driven Architecture
Service A Service B Load Balancer HTTP API & Routing
Layer API Service
API Service Service A Service B Load Balancer HTTP API
& Routing Layer
API Service Service A Service B Load Balancer HTTP API
& Routing Layer
API Service Service A Service B Load Balancer HTTP API
& Routing Layer Service C Service D Service E
Context Propagation
api api api.customer api.customer service.customer service.customer
api api api.customer api.customer service.customer service.customer
8096820c-3b7b-47ec-bce6-1c239252ab40
api api api.customer api.customer service.customer service.customer
api api api.customer api.customer service.customer service.customer
package context type Context interface { Deadline() (deadline time.Time, ok
bool) Done() <-chan struct{} Err() error Value(key interface{}) interface{} }
package context type Context interface { Deadline() (deadline time.Time, ok
bool) Done() <-chan struct{} Err() error Value(key interface{}) interface{} }
package context type Context interface { Deadline() (deadline time.Time, ok
bool) Done() <-chan struct{} Err() error Value(key interface{}) interface{} }
api api api.customer api.customer service.customer service.customer
api api api.customer api.customer service.customer service.customer SEND RECV SEND RECV
RECV SEND RECV SEND
api api.customer service.customer SEND RECV SEND RECV RECV SEND RECV
SEND phosphor
None
API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed
apns API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed apns
API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed
apns API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed apns
API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed
apns API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed apns
API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed
apns API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed apns
API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed
apns API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed apns
None
API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed
apns API card-api card-processing cards transactions balance transaction-enrichment merchant feed-generator feed apns
None
None
None
None
Small Simple Easy to learn
Concurrency Channels
Downsides?
Starting with Microservices?
Thanks! @mattheath @monzo
ATM: Thomas Hawk Bank of Commerce: ABQ Museum Archives IBM
System/360: IBM Absorbed: Saxbald Photography Go Gopher: Renee French Credits
None