1.
Real world con,nuous delivery
Join the conversation on Twitter:
@SoftArchConf #SoftwareArchitect2015
Seb Rose

2.
@sebrose h+p://cucumber.io

3.
@sebrose h+p://cucumber.io
con5nuous :
-­‐ forming an unbroken whole
-­‐ without interrup5on
discrete :
-­‐ individually separate and dis5nct

4.
@sebrose h+p://cucumber.io
delivery :
-­‐ the ac5on of delivering goods
-­‐ the process of giving birth

5.
@sebrose h+p://cucumber.io
con5nuous delivery :
-­‐ a set of prac5ces and principles
aimed at, building, tes5ng, and
releasing soBware, faster and
more frequently
-­‐ this principle helps reduce the
cost, 5me and risk of delivering
incremental changes to users.

6.
@sebrose h+p://cucumber.io
con5nuous integra5on :
-­‐ a development prac5ce that
requires developers to integrate
code into a shared repository
several 5mes a day
-­‐ each check-­‐in is verified by an
automated build, allowing teams
to detect problems early

7.
@sebrose h+p://cucumber.io
con5nuous deployment :
-­‐ the next step of con5nuous
delivery
-­‐ every change that passes the
automated tests is deployed to
produc5on automa5cally

8.
@sebrose h+p://cucumber.io
audience calisthenics

9.
@sebrose h+p://cucumber.io
Con5nuous integra5on
h+p://www.jamesshore.com/Blog/Con5nuous-­‐Integra5on-­‐on-­‐a-­‐Dollar-­‐a-­‐Day.html

10.
@sebrose h+p://cucumber.io
Automated deployment
h+p://www.moltecinterna5onal.com/images/robots.jpg
and rollback!

11.
@sebrose h+p://cucumber.io
Artefact repository
h+p://3.bp.blogspot.com/-­‐BkxV4lCQzDw/U96FMUNIDAI/AAAAAAAAK_s/GMmneXG5FG4/
s1600/RoleOfAR.png

12.
@sebrose h+p://cucumber.io
Fidelity vs. feedback
h+p://3.bp.blogspot.com/-­‐BkxV4lCQzDw/U96FMUNIDAI/AAAAAAAAK_s/GMmneXG5FG4/
s1600/RoleOfAR.png
More production-like
Slower feedback

13.
@sebrose h+p://cucumber.io
h+ps://upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Devops.svg/2000px-­‐
Devops.svg.png
Collabora5on

14.
@sebrose h+p://cucumber.io
Conway slaw :
-­‐ a popular dish of shredded
cause and effect mixed
with a dash of sociology

15.
@sebrose h+p://cucumber.io
Branching
-­‐ Feature branching
-­‐ GitFlow
-­‐ CoDe:U Git Flow
-­‐ Trunk-­‐based development
-­‐ Release branching

16.
@sebrose h+p://cucumber.io
Branching strategies
h+p://nvie.com/img/git-­‐model@2x.png h+p://www.praqma.com/sites/default/files/img/git_flow_web.pdf

17.
@sebrose h+p://cucumber.io
Trunk-­‐based development
h+p://paulhammant.com/images/mainline_vs_trunk.png

18.
@sebrose h+p://cucumber.io
h+ps://youtu.be/30yN4hefrt0
Branching strategies

19.
@sebrose h+p://cucumber.io
Tes5ng pyramid
h+p://claysnow.co.uk/architectural-­‐alignment-­‐and-­‐test-­‐induced-­‐design-­‐damage-­‐fallacy/

20.
@sebrose h+p://cucumber.io
Acceptance tes5ng

21.
@sebrose h+p://cucumber.io
Smoke tests
h+p://www.seminolecountyfl.gov/core/fileparse.php/3283/urlt/smoke-­‐20test-­‐20image-­‐20.jpg

22.
@sebrose h+p://cucumber.io
Non-­‐func5onal tests
h+ps://www.cloudave.com/wp-­‐content/uploads/2014/12/Typhoon.jpg

23.
@sebrose h+p://cucumber.io
Manual / exploratory

24.
@sebrose h+p://cucumber.io
Test data
h+p://discovermagazine.com/~/media/Images/Issues/2013/December/dragon-­‐science.jpg

25.
@sebrose h+p://cucumber.io
Monitoring produc5on
h+p://blogs-­‐images.forbes.com/kashmirhill/files/2014/04/foscam.jpg

26.
@sebrose h+p://cucumber.io
<digression>

27.
@sebrose h+p://cucumber.io

28.
@sebrose h+p://cucumber.io

29.
@sebrose h+p://cucumber.io

30.
@sebrose h+p://cucumber.io
h+p://quoteinves5gator.com/2012/04/28/shorter-­‐le+er/
“I would have wri/en a
shorter le/er, but I didn’t
have the 6me”

31.
@sebrose h+p://cucumber.io
https://estimation.lunarlogic.io/assets/cards-range-8fc41b2e3fd282125f4602a712020204.png

32.
@sebrose h+p://cucumber.io
<digression>

33.
@sebrose h+p://cucumber.io
Gradual implementa5on

34.
@sebrose h+p://cucumber.io
Feature toggles
h+p://ff4j.org/images/console-­‐embedded.png

35.
@sebrose h+p://cucumber.io
Branch by abstrac5on
h+p://con5nuousdelivery.com/wp-­‐content/uploads/2011/05/branch_by_abstrac5on.png

36.
@sebrose h+p://cucumber.io
Databases
h+p://discovermagazine.com/~/media/Images/Issues/2013/December/dragon-­‐science.jpg

37.
@sebrose h+p://cucumber.io
Risk mi5ga5on
-­‐ Blue/green
-­‐ Canary
-­‐ Monitoring

38.
@sebrose h+p://cucumber.io
Produc5on like???
h+p://tommcfarlin.com/wp-­‐content/uploads/2014/04/what-­‐does-­‐it-­‐mean.png

39.
@sebrose h+p://cucumber.io
Harmonisa5on
homogeneous :
-­‐ uniform in structure or
composi5on throughout

40.
@sebrose h+p://cucumber.io
Virtualisa5on and
Containers
h+p://www.informa5on-­‐age.com/sites/default/files/styles/
ar5cle_landscape/public/field/image/shu+erstock_135831281.jpg?
itok=PArqfHMC
h+p://www.adm-­‐compu5ng.co.uk/wp-­‐content/uploads/
2013/06/Virtualisa5on-­‐defined.jpg

41.
@sebrose h+p://cucumber.io
Service virtualisa5on
h+p://servicevirtualiza5on.com/blogs/1-­‐1000/910-­‐Screenshot20130520at10.38.46AM.png

42.
@sebrose h+p://cucumber.io
Cost
h+p://i.dailymail.co.uk/i/pix/2009/05/13/
ar5cle-­‐1181248-­‐03A99ECD000005DC-­‐78_634x393.jpg

43.
@sebrose h+p://cucumber.io
Taming complexity
h+p://boilingfrogs.info/files/2012/05/complexity.jpg

44.
@sebrose h+p://cucumber.io
Loose coupling
h+ps://infomgmt.files.wordpress.com/2010/02/coupling-­‐sketches-­‐cropped-­‐1.png

45.
@sebrose h+p://cucumber.io
Components
h+p://zoszkoworks.com/wp-­‐content/uploads/2015/01/821-­‐electronic-­‐
components-­‐1920x1080-­‐photography-­‐wallpaper.jpg

46.
@sebrose h+p://cucumber.io
h+p://www.slideshare.net/StefSmith/wading-­‐through-­‐treacle-­‐escape-­‐the-­‐integra5on-­‐syrup-­‐
with-­‐contract-­‐tests
CDCs in the pipeline

47.
@sebrose h+p://cucumber.io
h+p://mar5nfowler.com/ar5cles/ConsumerDrivenContracts.jpg
CDCs (aka contract tests)

48.
@sebrose h+p://cucumber.io
Contract/collabora5on
h+p://www.slideshare.net/nitroduna/behaviour-­‐driven-­‐refactoring-­‐or-­‐im-­‐a-­‐programmer-­‐what-­‐
the-­‐hell-­‐do-­‐i-­‐have-­‐to-­‐test

49.
@sebrose h+p://cucumber.io
-­‐ teams own whole stack
-­‐ in-­‐house tools
-­‐ build, deploy, monitor

50.
@sebrose h+p://cucumber.io
-­‐ teams own whole stack
-­‐ feature & data toggles
-­‐ con5nuous deployment
-­‐ pioneering MDD
h+ps://youtu.be/bZNzu4UxzPU
h+p://agileonthebeach.com/wp-­‐content/uploads/2015/02/Benji-­‐Webber.pdf

51.
@sebrose h+p://cucumber.io
-­‐ using CDCs within pipeline
h+p://www.slideshare.net/StefSmith/wading-­‐through-­‐treacle-­‐escape-­‐the-­‐integra5on-­‐syrup-­‐
with-­‐contract-­‐tests

52.
@sebrose h+p://cucumber.io
h+p://agilecambridge.net/2015/sessions/index.php?session=69
A meta-­‐pipeline for genera5ng
con5nuous delivery pipelines for
micro services

53.
@sebrose h+p://cucumber.io

54.
@sebrose h+p://cucumber.io
http://image.slidesharecdn.com/userstorymappinginpractice-130802183649-phpapp02/95/user-story-
mapping-in-practice-15-638.jpg?cb=1382432108

55.
Seb Rose
Twi+er: @sebrose
Blog: www.claysnow.co.uk
E-­‐mail: seb@cucumber.io
Ques5ons?

56.
@sebrose h+p://cucumber.io
CoDe:U h+p://www.praqma.com/sites/default/files/img/git_flow_web.pdf