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What is Continuous Delivery?
Alan Parkinson@alan_parkinson
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Hindsight Softwarea lean Start-up
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Fast feedbackAre we building the right thing?
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Software as a Competitive Advantage
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Creating a feature is an investment
Has no return until it is being used
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The Last Mile: Releasing
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Releasing Software is
Stressful
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Are we all Agile?
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our highest priority is to satisfy
the customer through early and
continuous deliveryof valuable software
“
”
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effective pattern for getting software from
development to release
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if it hurt’s, do it
more often
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Low-risk, frequent, cheap, rapid and predictable process
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Continuous Delivery !=
Continuous Deployment
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The Deployment Pipeline
automated implementation of your build, test, deploy, and release process
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Commit Stage
Automated Acceptance
Checks
Automated Capacity Checks
Manual Testing? Release
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Commit Stage
Automated Acceptance
Checks
Automated Capacity Checks
Manual Testing? Release
Small batch sizes
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Fail fast and give feedback
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released to customers
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Cycle Timecommit to release
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Pattern 2 - Deployment
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one deployment script to rule them all
CC Attribution-ShareAlike: mendhakhttps://flic.kr/p/62WDfS
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minimise the differences between environments
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effective pattern for getting software from
development to release
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Pipeline Summary
• Build a installable Binary once• Pass the built binary through quality gates• Trigger the pipeline on every change• Done == Released to Customers• Based on Lean Thinking• Avoid queues in the pipeline• Track cycle time• Business decides when to release
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Deployment Summary
• One Deployment Script for all Environments• Automate everything – Push one button• Version Control all configuration• Environments should match where practical
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Continuous Delivery:Reliable Software Releases
Through Build, Test, and Deployment Automation
By Jez HumbleAnd Dave Farley
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Build Quality In
Continuous Delivery and DevOps Experience Reports
70% of author royalties to Code Club
leanpub.com/buildqualityin@buildqualityin
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Questions?
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Thank you
@alan_parkinson
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Testing in Continuous Delivery
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Commit Stage
Automated Acceptance
Checks
Automated Capacity Checks
Manual Testing Release
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Canary Deployments
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Commit Stage
Automated Acceptance
Checks
Automated Capacity Checks
Manual Testing Release
Exploratory Testing
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Feature Toggles