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Continuous Delivery and Zero Downtime

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Slides from my Jfokus 2014 talk about Continuous Delivery and Zero Downtime

Slides from my Jfokus 2014 talk about Continuous Delivery and Zero Downtime

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  • nice slides - it would be nice to save them, I would like to use them in my company to get awareness to this topics
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    Continuous Delivery and Zero Downtime Continuous Delivery and Zero Downtime Presentation Transcript

    • Continuous Delivery and Zero Downtime AXEL FONTAINE @axelfontaine axelfontaine.com Entrepreneur - Public Speaker - Continuous Delivery Expert
    • photon flywaydb.org getphoton.com AXEL FONTAINE @axelfontaine axelfontaine.com Entrepreneur - Public Speaker - Continuous Delivery Expert
    • about questions
    • Fully automated deployment of a complete application into production multiple times a day with zero downtime GOAL
    • Putting things into PERSPECTIVE
    • http://digitalcitizen.ca/2009/06/22/simpsons-profile-pics-for-facebook-and-other-applications/
    • CONTINUOUS DELIVERY http://www.flickr.com/photos/kamshots/3096111340/
    • stackoverflow.com
    • stackoverflow.com
    • stackoverflow.com
    • stackoverflow.com
    • Prerequisites
    • Process http://www.flickr.com/photos/feffef/460299390/in/photostream/
    • Process http://www.flickr.com/photos/feffef/460299390/in/photostream/
    • Build
    • Build
    • Version Control
    • Version Control
    • Test http://www.flickr.com/photos/vitorcastillo/2994723741/
    • Test http://www.flickr.com/photos/vitorcastillo/2994723741/
    • DEV Build Small Tests
    • DEV Build Small Tests Medium Tests
    • DEV Build Small Tests Medium Tests Large Tests
    • Continuous Integration DEV Build Version Control Build Small Tests Small Tests Medium Tests Medium Tests Large Tests Large Tests
    • DEPLOYMENT automation http://www.flickr.com/photos/soldiersmediacenter/3650607959/
    • do NOT deploy SNAPSHOTS !
    • Continuous Integration DEV Build Version Control Build Small Tests Small Tests Medium Tests Medium Tests Large Tests Large Tests Release Artifact Repository
    • What gets deployed? Code Configuration DB Delta
    • Code Deployment Package
    • backup stop install start … Deployment Script Code Deployment Package
    • backup stop install start … Deployment Script Code Deployment Package
    • Continuous Integration Target backup stop install start … Release Artifact Repository Deployment Script
    • Configuration Maybe it could change one day Code ≠ Environments Deployment Package
    • Environment Detection ? Code Deployment Package
    • Environment Detection Test Code AutoConfiguration
    • Continuous Integration Target backup stop install start … Release Artifact Repository Deployment Script
    • DB Delta
    • The Fear of DDL
    • VS DML DDL
    • Name Balance Homer 163 Marge 214 Bart 9 Lisa 25
    • Name Balance Name Homer 0 Homer Marge 0 Bart 0 Lisa 0 DML VS Marge Bart Lisa DDL
    • DB Delta Code Deployment Package
    • ? Code ? Deployment Package DB
    • flywaydb.org
    • Continuous Integration Target backup stop install start … Release Artifact Repository Deployment Script
    • MailService Registration
    • MailService Registration
    • MailService Registration v2 ParcelService
    • Feature Toggles Branch by Abstraction MailService Registration ParcelService
    • Feature Toggles Branch by Abstraction MailService Registration ParcelService
    • DB
    • DB
    • DB
    • State Management Blue/Green Deployments DB
    • Surname Last_Name Surname ALTER TABLE … RENAME COLUMN
    • Last_Name Surname Last_Name Last_Name ALTER TABLE … DROP TRIGGER … ADD COLUMN Last_Name ALTER TABLE … CREATE TRIGGER … DROP COLUMN Surname UPDATE … SET Last_Name = Surname
    • Last_Name Last_Name DROP TRIGGER … ALTER TABLE … DROP COLUMN Surname
    • Summary
    • DEV Build Target Continuous Integration Version Control backup stop install start … Build Release Artifact Repository Small Tests Small Tests Medium Tests Medium Tests Large Tests Large Tests Deployment Script
    • http://de.wikipedia.org/wiki/Datei:Yemen_Chameleon.jpg
    • One more thing
    • AXEL FONTAINE Software Development Expert @axelfontaine axelfontaine.com business@axelfontaine.com
    • Further reading: http://axelfontaine.com/blog/final-nail.html http://axelfontaine.com/blog/environment-detection.html http://martinfowler.com/bliki/FeatureToggle.html http://googletesting.blogspot.com/2010/12/test-sizes.html http://blog.shinetech.com/2012/12/18/simple-session-sharing-intomcat-cluster-using-the-session-in-cookie-pattern/