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Deploying Microservices in a Fast-

Paced, Customer-Centric Environment

How and Why?

Pierre Vincent

SRE Manager

Poppulo

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Microservices: how and why?

@PierreVincent

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Microservices: how and why?

Single Database

Single Team

every 4 weeksRelease cycle

Single Application

3 years ago

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Microservices: how and why?

Challenges of increasing complexity

Facing the limitations of

our monolithic architecture

Disruptive and painful deployments

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Microservices: how and why?

Vision: Grow to become a global leader in

Internal Communications

Cross-

channel

Analytics

Internal

Comms

Campaigns

Email

Sharepoint

Video

Yammer

Email

Events

Surveys

Audiences

Can we hire 5 more Teams to build this?

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Microservices: how and why?

New Team!

Build without

increasing

core system

complexity

Pioneer

ability to

scale to more

Teams

Start

Cross-channel

Analytics

Product

First step

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Monolith

Tech spike decisions

Microservices: how and why?

Microservices

Isolated

Changes

Loosely

Coupled

Polyglot

Technology

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Tech spike decisions

Microservices: how and why?

Continuous

Delivery

Pipeline

Reduce

handoffs

Automation

Zero

Downtime

Commit

Compile

Test

Deploy

Monitor

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Team impact: Ownership

“You build it,

you run it”

Team decides

when to click

“Deploy”

Responsible

for monitoring

& alerting

Microservices: how and why?

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Cultural impact

Autonomous

Product

Teams

From idea to

production

in a day

Encourage

exploration

Microservices: how and why?

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Today: 6 cross-functional Teams

Split Core application

Core

Monolith

All new features in microservices

Microservices: how and why?

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Microservices: how and why?

25~30

deploys

per day

1 deploy

per month

2015 2017

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Microservices: how and why?

Microservices alone are not the solution

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After 2 years of Microservices…

Microservices: how and why?

Enabled us to scale from 10 to 50 while limiting complexity

✓Increased our agility for Product development

✓Improved our awareness of running systems in production

✓

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Microservices: how and why?

@PierreVincent