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
Code to Current Account
Search
mattheath
June 12, 2017
Programming
3
350
Code to Current Account
Presented with Simon Vans-Colina at Hashidays London
mattheath
June 12, 2017
Tweet
Share
More Decks by mattheath
See All by mattheath
Breaking down problems
mattheath
2
350
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
810
Other Decks in Programming
See All in Programming
麻雀点数計算問題生成タスクから学ぶ Single Agentの限界と Agentic Workflowの底力
po3rin
0
140
Cache Me If You Can
ryunen344
2
6.1k
奥深くて厄介な「改行」と仲良くなる20分
oguemon
1
610
Reactをクライアントで使わない
yusukebe
5
4k
Improving my own Ruby thereafter
sisshiki1969
1
170
個人軟體時代
ethanhuang13
0
340
AI Agents: How Do They Work and How to Build Them @ Shift 2025
slobodan
0
110
AIを活用したレシート読み取り機能の開発から得られた実践知 / AI Receipt Scan Practice
rockname
1
320
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
22
6k
Ruby×iOSアプリ開発 ~共に歩んだエコシステムの物語~
temoki
0
530
Testing Trophyは叫ばない
toms74209200
0
900
基礎から学ぶ大画面対応(Learning Large-Screen Support from the Ground Up)
tomoya0x00
0
6.5k
Featured
See All Featured
GraphQLの誤解/rethinking-graphql
sonatard
72
11k
A designer walks into a library…
pauljervisheath
207
24k
The Cult of Friendly URLs
andyhume
79
6.6k
Statistics for Hackers
jakevdp
799
220k
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
34
6k
Speed Design
sergeychernyshev
32
1.1k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
3k
The Invisible Side of Design
smashingmag
301
51k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
820
How STYLIGHT went responsive
nonsquared
100
5.8k
Transcript
Code to Current Account @simonvc & @mattheath
@simonvc @mattheath
@simonvc @mattheath
None
None
None
None
None
Legacy banks
Number of banks running entirely* free* software.
Number of banks running entirely* free* software.
Rebuild everything * Go microservices * Git as Change management
* Realtime and API
Go ❤ * Emphasis on correctness * Performant * Lean
"Plan to throw your first one away." Mesos -> Kubernetes
RabbitMQ -> LinkerD Cloud Formation -> Terraform
None
Terraform
None
None
github.com/hashicorp/vault/ pull/2241 Cassandra storage backend
Builds
None
None
None
0 40 80 160 120 Feb 2015 June 2017 200
Number of services 240
None
None
None
Service Service
Service Service Service Service
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 Service Service Service HTTP HTTP linkerd service discovery
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 linkerd service discovery
Service Service Service Service Service linkerd host A Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
Service Service Service Service linkerd host B Service Service Service
Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service
None
Amazon eu-west-1
Amazon eu-west-1
None
Amazon eu-west-1 colocation dc 1 colocation dc 2
Amazon eu-west-1 colocation dc 1 colocation dc 2
Amazon eu-west-1 colocation dc 1 colocation dc 2
Amazon eu-west-1 colocation dc 1 colocation dc 2 BGP
BGP BGP BGP
Amazon eu-west-1 colocation dc 1 colocation dc 2 BGP
BGP
Amazon eu-west-1 colocation dc 1 colocation dc 2
third parties colocation AWS Hardware VPN device
third parties colocation AWS Hardware VPN device VPN client
third parties colocation AWS “connectivity” pod Quagga (BGP) services Hardware
VPN device VPN client BGP
third parties colocation AWS “connectivity” pod Quagga (BGP) services ??????
VPN client BGP
None
third parties colocation AWS “connectivity” pod Quagga (BGP) services ??????
VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
Linux HA Linux HA
None
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
Linux HA Linux HA
third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP
None
B A
active standby
active standby
active standby
active standby
standby active
third parties colocation AWS “connectivity” pod Quagga (BGP) services ??????
VPN client BGP
third parties colocation AWS “connectivity” pod Quagga (BGP) services HA
VPN Appliance VPN client BGP
Amazon eu-west-1
Build: Terraform Secure: Vault Develop: Vagrant Provision: Packer
monzo.com/careers
monzo.com/careers