Make it reversible - Stephen O'Brien at Inside Intercom Austin
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We can’t go back in time, so we have to be careful with the decisions we make and the actions we take. But in software development we can make what we do easily reversible. Stephen O'Brien, Intercom Director of Engineering, on the benefits of making it reversible.
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Make it reversible - Stephen O'Brien at Inside Intercom Austin
- 9. Software was a physical product.
- 10. write code quality assurance physically manufacture ship to customers > yearlythe past CONTEXT RELEASE CYCLE irreversible irreversible
- 11. Old habits die hard.
- 12. write code quality assurance ship to customers weekly–quarterlystatus quo* CONTEXT RELEASE CYCLE irreversible * New Relic 2016 data culture survey: 70% of 500 surveyed companies ship weekly or less
- 13. new code on GitHub automated tests Muster deployment system served to customers minutesIntercom revert CONTEXT RELEASE CYCLE
- 14. Intercom: releases per day CONTEXT
- 15. Always be right status quo CONTEXT
- 16. Always be right Be mostly right, but be able to correct mistakes really fast Intercom CONTEXT Puppet/PWC 2015 State of Devops report: companies which ship 30x more often, experience 60x fewer failures, recover from failure 160x more quickly, 200x shorter lead times. 20,000 respondents.
- 18. 1. What should we build? 2. How do we build it? 2 Questions our process should answer…
- 19. 1. What should we build? mission strategy problem problem problem solution solution solution solution solution
- 20. strategy & problems come up with solution ship to customers Growth team, past CONTEXT irreversible
- 21. strategy & problems ship to customers Growth teams, recently CONTEXT come up with solution irreversible
- 22. strategy problems Growth teams, now CONTEXT come up with solution ship to customers
- 24. irreversible irreversible irreversible concept design systems UI Scope a complete, holistic slice concept design systems UI
- 25. sometimes this is enough irreversible irreversible always learn something from it How to make a wedding cake?
- 27. Choose to break the rule.