Tech Talk: Docker: 3 ways developers and operators are using Docker to reduce friction

World®’16

TechTalk:3WaysDevelopersandOperatorsareUsingDockertoReduceFrictionMarkEmeis - Founder- Yipee.io

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Abstract

Thesoftwarelandscapeischanging.Productsneedtogettomarketfasterthaneversothewayweintroducesoftwaretoend-usersischanging…andDocker isshiftingthelandscape.

JointhissessiontolearnhowDocker’s uniquecapabilitiesandcharacteristicssolvethischallengeandhowCAishelpingyoutoembracetheopportunity.Testing,immutability,CD/CIandpolyglotareallparadigmshiftsgreatlyfacilitatedbyDocker.

Developers,operators,teamleads,architectsandDevOps managers/execswillallbenefitfromthistimelyandpracticalsession.

MarkEmeisYipee.ioFounder


Agenda

WHYAREWEHERE

BACKGROUND

SUMMARY

DEVELOPERS

OPERATORS

REDUCINGFRICTION

1

2

3

4

5

6


AboutCAAccelerator

“Enterprisestartups”

CA’sinnovationengine

Visitca.com/accelerator


Whyarewehere?

§ Shiftinglandscape– Dockeris3.5yearsold– ManyToolandTechnology

choices

§ Internetspeed– Agilepractices– CI/CD

§ Softwarecomplexity– Increasedmaintenancecosts


Background

§ Whatarecontainers?– Small,lightweight,encapsulatedsoftwarefunctionality– Shareoperatingsystemkernel– Longhistory(SolarisZones,LXC)

§ WhatisDocker?– Softwarecontainerizationplatform– Linuxcontainermanagement,simplified– Standardsbased– DockerInc.andDockerOpenSource

ContainersandDocker


Background

§ 12factorapps– Configurationintheenvironment– Statelessprocesses– Disposability– Development/productionparity

§ Inter-containermanagement

§ Intra-containermanagement

ContainerPatterns


BackgroundCattlevsPets


DevelopersDisposableEnvironment

§ Setup/teardownperformance§ Lightweight– runningmany

servicesonalaptop§ Containedandisolated

dependencies§ Immutable§ Development/productionparity

– Reducing“worksonmymachine/environment”


DevelopersServiceImplementationFreedom

§ Freetousethebesttool/frameworkfortheservice– Polyglot– Encapsulateddependencies

§ ShiftingOpsclosertoDev– ReducedfrictionbetweenDev

andOps

§ Stronginterfacecontracts


DevelopersTesting

§ Reducedresourcerequirements– Actualservicesvsmock

§ Reducingtestexecutiontime

§ Highcohesionandlowcoupling

§ Microservice testinginisolation

§ Reducedfragilityduetoimmutability– Dependencyencapsulation

§ Simplifiedcompatibilitytesting– Multipleversions


OperatorsEnvironmentSetup

§ VanillaPaaS– Dockerengine

§ Containersbringtheirdependencies

§ Enhancedportability§ Simplifiedrunbooks§ Reducedresourcerequirements§ Configurationascode


OperatorsRuntimeSupport

§ Caringforcattle

§ Commonscalingpatterns

§ Simplifiedreplicationofcustomerenvironments

§ Consolidatedlogging

§ Simplifiedrunbooks


OperatorsSoftwareUpdates

§ Nomoresoftwarepatches§ Imagelayersharing

– Immutability– Securability

§ Rapidcontainerstartup– Rollingupgrade– Canarytesting

§ Reducedcoupling– Independentserviceupdates


ReducingFrictionCurrentStateoftheArt

§ Textbased– Errorprone– DSL

§ Orchestrators– DockerSwarm– Kubernetes– Mesos– Microsoft?


ReducingFrictionYipee.io

§ Graphicalmodeler

§ Simplifiedconcepts– Volumes– Networks– Scale

§ Orchestratoragnostic– Semanticallyandsyntactically

correctDSLgeneration


SummaryContainersMakeLifeBetter

§ ForDevelopers– Productivityviadisposable

environments– Flexibilityinlanguages,

frameworks,andtools– Testabilityenhancements

§ ForOperators– Fasterenvironmentsetup– Streamlinedruntimesupport– Easiersoftwareupdates

CometotheCAAcceleratorareatolearnmoreaboutyipee.io


“Shareachallenge”withtheexperts

AshMauryaInnovationexpertandauthorofScalingLean

CAAcceleratorZoneHighlights

*Thursday12:15– 1:30First250attendeesreceiveafree

signedcopy

Questions?

BooksigningwithAshMaurya


FormoreinformationontheCAAccelerator,pleasevisit:http://ca.com/accelerator

ForinformationonYipee,visithttp://yipee.io

InthelatestversionofthisdeckfromMark,hehasmovedthisslidehere.

Shoulditnotremainattheveryend?GMLet’sleaveitforKyle.Janice


References

§ Dockerhttps://www.docker.com/

§ OpenContainerInitiativehttps://www.opencontainers.org/

§ Containerpatterns– 12Factorappshttps://12factor.net/– Autopilothttp://autopilotpattern.io/


Credits

§ GoLang Gopher- ByRenéeFrench(http://reneefrench.blogspot.com)[CCBY-SA3.0(http://creativecommons.org/licenses/by-sa/3.0)],viaWikimediaCommons

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