Docker In Production Now: Seattle Docker Meetup March 2015. This is a baby steps approach to getting Docker in production for an existing enterprise that does not always have the luxury of a complete greenfield.

1. Docker In Production Now
Justin Clayton, March 2015

2. ThisPresentationMayNotBeForYouIf:
• Youalreadycontainerizedabsolutelyeverything
• YouarerunningKubernetesand/orMesosphereinprod
• YouareadevandyoudeployexclusivelytoaPaaS
• Yourcompanywasfoundedearliertoday

3. ButForTheRestOfUs

4. Existinginfrastructure
tomaintain

5. Extensivelibraryof
configuration
managementrecipes

6. Existing
CI/CDSystem

7. PerceptionthatDocker
isonlyforthecoolkids

8. Ihateyou,Windows.
Whyareyoustillhere?

9. WhyDoWeCare
AboutDocker?

10. ToSolveBusiness
Problems!

11. Agility,Flexibility,
Stability

15. HowdoIsolvemy
immediateproblemswhile
stillbuildingforthefuture?

16. PrepareForTheFuture

17. InstallDocker
Everywhere

18. --insecure-registry=0.0.0.0/0

19. StartReplacingParts

20. Drop-InReplacements!
Example:Rediscaching

21. $ docker run redis

22. Problems:
• Productionconfig?
• Deploy?
• Managerunningcontainer?

23. Solution:
LeverageYourCM!

24. ShowExample
CodeNow

25. Recap!InsteadOfDoingThis:
• writingacustomconfig
• compilingourownRedisfromsource
• packagingitintoanRPM
• hostingitonaninternalpackagerepo
• hackingcommunityPuppetmodulestogetittouseour
versionandconfig

26. Nowwe’redoingthis:
• writingourcustomconfig
• runningthelatestofficialrediscontainer

27. Nowwe’redoingthis:
• writingourcustomconfig
• runningthelatestofficialrediscontainer
WIN

28. OtherGoodApplianceExamples
• Gitlab
• Hubot
• Jenkins
• HAPRoxy

29. Whatdidwewin?
• ReducedCMcodebase
• Simplifiedupdateprocess
• Appliancesdirectfromthevendor

30. Buildandshipyourownstuff

31. Devwants:
morefreedom

32. Opswants:
lessvariation

33. Immutable
Infrastructure

34. Oneapproach:givedevs
fullcontrolovertheir
images

35. Devgets:
completefreedom

36. Opsgets:
infinitysnowflakes

38. Devsoftendon't
knowsystems

40. Standardizedon
JVMlanguages

41. IfyoucanbuildaJAR,
wecandeployit

42. Devgets:
alittlefreedom

43. Opsgets:
lessvariation

45. Standard
AppPackaging

46. Standard
DeployProcess

47. Devgets:
completefreedom

48. Opsgets:
nosnowflakes!

49. ReinventingCI/CD
canbehigh-cost

50. Don'tRefactorIn
TheRed

51. Thecontaineristhe
buildartifact

52. Thecontaineristhe
unitofdeployment

53. Startbyreplacing
onlythosethings

54. Drop-In
Replacements!

55. ShowExampleCodeNow

56. Recap!Wenowhave:
• AtemplatefordockerbuildsinCI
• EvenlessCMcodenow
• Cleanerdeploys

57. Whatwedidn'ttouch
• Loadbalancing
• Deploymentstrategy(A/Bfarm,etc.)
• Multi-tenancyofcontainers
• Servicediscovery

58. Thanks For Coming
Justin Clayton
@justinclayton42
github.com/justinclayton