The document discusses techniques for continuously deploying software updates including automated testing, staged releases, blue-green deployments, and feature flags. It provides examples of how Optimizely uses these techniques including feature flags for A/B tests and staged rollouts. Best practices are outlined such as regularly reviewing flags to avoid technical debt, having a code ownership strategy, employing proper testing and QA, and embracing feature flag-driven development.

1. Deploying
Fearlessly in a
Continuous World
Asa Schachar, Principal Developer Advocate
Justina Nguyen, Lead Developer Evangelist
Optimizely

5. 5
Automated Testing

6. 6
QA & Internal Environments

7. Blue Green Deployments

8. 8
Staged Releases

9. 9
Feature Flags

10. 10
DEMO
Optimizely Rollouts

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DEMO
Use Case: Flappy Bird

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$50,000 / day

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optimize.ly/flappy

16. Click above
the tooltip …
quickly!
optimize.ly/flappy

17. Automated Testing
Staged Releases
Blue/Green Deployments

18. Automated Testing
Staged Releases
Blue/Green Deployments
Feature Flags

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DEPLOY
BUILD &
TEST
RELEASE
Develop & Iterate Quickly
● Selectively enable test suites
and making data-driven
technical evaluations
● Don’t waste time untangling
messy merge conflicts
Delight Your Customers
● Empower teams to manage
their own releases
● Incident? Minimize time to
solution
Scale Feature Delivery
● Ship faster by decoupling
deploys from releases to
shorten development cycles
● Deploy frequently and safely
SOFTWARE DEVELOPMENT
LIFE CYCLE

20. 2020
Feature Flag Best Practices

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FEATURE FLAG BEST PRACTICES
Avoid technical debt by regularly
reviewing flags in case they’re
obsolete.

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FEATURE FLAG BEST PRACTICES
Make your organization resilient
with a code ownership strategy.

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FEATURE FLAG BEST PRACTICES
Ensure quality with the right
automated testing & QA
strategy.

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FEATURE FLAG BEST PRACTICES
Embrace feature flag-driven
development.

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Feature Flag Best Practices
● Avoid technical debt by regularly
reviewing flags in case they’re obsolete.
● Make your organization resilient with a
code ownership strategy.
● Ensure quality with the right automated
testing & QA strategy.
● Embrace a feature flag-driven
development mindset.

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27. Join us on
Slack for
Q&A!
optimize.ly/dev-community