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Continuous Change At Scale
The Human Side of Deployment
jgoulah@etsy.com / @johngoulah
Continuous Change at Scale
• 500 employees
• 500 employees
• $1B + Gross Sales
• 500 employees
• $1B + Gross Sales
• 200 countries
push code > 30x per day
Continuous Change at Scale
Continuous Change at Scale
•

why continuous deploy works
•
•

why continuous deploy works
what pieces need to be in place
•
•
•

why continuous deploy works
what pieces need to be in place
how you can get started
what makes this a success?
minimizes risk
makes integration smoother
engineer happiness
continuous improvement
what pieces need to be in place?
technical pieces
continuous integration
stable trunk
did you “try” your code?
did you “try” your code?
https://github.com/etsy/trylib
monitoring
instrumentation
feature flags
what is a feature flag?
rampups
rampups
https://github.com/etsy/feature
autonomy
culture bits
a tradeoff
trust
eliminate ceremony
deploys are not releases
getting started
dashboards
non-blocking tests
keep it simple
start small
Continuous Change at Scale
• a config file
• a config file
• a service
• a config file
• a service
• a feature
Thank you
etsy.com/careers

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Continuous Change at Scale