Simple Scalability -Microservices on PaaS

Colin Humphreys

@hatofmonkeys

Simple PatternsOrganisationalArchitecturalOperational

Simple PatternsOrganisational

ArchitecturalOperational

Fast feedback

Organisational

Teams deliver business valueMeasurable metrics

Organisational

Four pairsTwo-pizzas

Organisational

Authoritative POWhat are we doing?

When is it done?

Organisational

T-shaped people

Organisational

Domain-Driven DesignHave a conversation

Organisational

InceptionIteration Planning Meeting

Retrospective

Organisational

Simple PatternsOrganisationalArchitecturalOperational

Partitioning StrategiesSingle-responsibilityBounded contexts

Architectural

Create pipelines of microservicescat text.txt | grep hello | sort

Architectural

Communication StrategiesSync – HTTPS/jsonAsync – Msg Q/json

Architectural

Communication StrategiesDesign for failureCircuit breakers

Architectural

DataImmutable idempotent events

Architectural

Data12-factor applications

'PaaS' compatible

Architectural

Let microservices die

Architectural

Simple PatternsOrganisationalArchitecturalOperational

Continuously deliverStart with CD pipeline 'helloworld'

Operational

Words

accept → wordcount → view

github.com/hatofmonkeys/microservices-demo

Operational

Blue/green deployed front-endShock absorber

Operational

Deploy to local containers

Operational

Deploy to PaaS

Operational

Deploy to your PaaS

Operational

Deploy to your IaaS

Operational

Deploy what you needWhen you need it

Operational

Scaling

Operational

InstrumentationResponse time of function

Error rateTrace ID

Operational

Simple PatternsOrganisationalArchitecturalOperational

But I have a monolith!Shake it

But I must Docker!Fock it

github.com/cloudcredo/cloudfocker

Simple Scalability -Microservices on PaaS

Colin Humphreys

@hatofmonkeys