20180509 (codemotion) continuous delivery
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The document discusses 10 common mistakes made when implementing continuous delivery practices for software development. It provides lessons on how to better implement continuous delivery, including automating delivery processes, designing for fast feedback and evolution, maintaining testable code, and focusing on business goals and customer needs rather than just speed of delivery. The overall message is that continuous delivery requires treating it as a software development process and making incremental improvements over time.
20180509 (codemotion) continuous delivery
- 1. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Continuous delivery in 10 easy mistakes, and how to do better Kim van Wilgen AMSTERDAM | MAY 8-9, 2018
- 2. About me Kim van Wilgen Head of development at ANVA Former head of IT at Klaverblad Business background Managing since 2005 Programming since 2018 @kimvanwilgen nl.linkedin.com/kimvanwilgen kimvanwilgen@gmail.com www.kimvanwilgen.com
- 3. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Insurance company Service provider Wholesale Agents ANVA Insurtech company for the Netherlands
- 4. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Software development is complex
- 5. Large projects 10% success 52% challenged Small projects 74% success 22% challenged From: the Chaos manifesto 2013, The Standish group
- 6. Unused features Large deliveries 64% Small deliveries 14% From: the Chaos manifesto 2013, The Standish group
- 7. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes @kimvanwilgen | www.kimvanwilgen.com How to deliver continuous delivery In 10 lessons
- 8. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Automate delivery
- 9. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Continuous Delivery (CD) is a set of practices and principles in software engineering aimed at, building, testing, and releasing software, faster and more frequently. These principles help reduce the cost, time and risk of delivering changes, and ultimately value, to customers by allowing for more incremental changes to applications in production. Wikipedia, 2017
- 10. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes What is continuous? Naming continuous to be a problem Amazon ANVAANVA KlaverbladKlaverblad
- 11. Tool focused On the side No vision or requirements
- 12. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Results • Daily delivery • Shifting culture • Incomplete tests • No compliance or control • No monitoring
- 13. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Continuous delivery means you’re building software. So treat is as a software development process
- 14. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Have a backlog and define your minimal products
- 15. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Level 1 Dev Test 1 Test n Integration Acceptance Production Dev Test 1 Test n For each component Full landscape Integration Scenario / UI testing Acceptance Production Add tests,metrics and visibility Add monitoring Add reviews
- 16. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Build status
- 17. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Issue tracking
- 18. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Design for fast feedback and evolution
- 19. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Microservices are the first architectural style to fully embrace continuous delivery. It is an evolutionary architecture, which supports incremental non- breaking change as a first principle along multiple dimensions at the structural level of the application Neal Ford, Thoughtworks
- 20. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Test pyramid reinvented Small tests and risk based
- 21. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Maintainable tests And living documentation
- 22. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Branching is your new mother-in-law: sometimes you have to go there but you want to minimize it
- 23. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Branching Feature flags No frontend Co-creation and pre-acceptance The shipping delay pyramid
- 24. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Acceptance by team Rehearsal Canary production Global production Release strategy Feature flags Sustainable pace Shipping delay Impact reduction
- 25. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Speed of delivery isn’t the answer to life, the universe and everything.
- 26. Continuous security DIY hacking Integration in the pipeline Secure coding
- 27. Auditing and compliance Everything in version control Test change approval Enforced peer reviews Green goes to production Approvals in workflow Conformity by design
- 28. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Reinvent implementation and assistance 6
- 29. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Fallback plans Manual Acceptance Testing Education for users User documentation Communication about releases Asking feedback Canary releasing Cocreating tests Walkthroughs Embedded user assistance and chatbots Release notes integrated in deployment Monitoring feedback Business IT antipatterns @kimvanwilgen37
- 30. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes You’re only as small as your MVP and as agile as your roadmap
- 31. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Stop extensive planning
- 32. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Product vision and business cases
- 33. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Go with the flow
- 34. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes The red sprint antipattern “Sprints won’t increase speed, they will just make people unhappy” – Sander Hoogendoorn http://sanderhoogendoorn.com/blog/index.php/burn-down- or-burn-out/
- 35. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes No estimates movement “No estimates doesn’t mean no estimates” – Seb Rose
- 36. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Start looking at goals and results
- 37. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Only autonomy scales
- 38. Team autonomy asks leaders to change
- 39. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Autonomy can’t exist without transparancy
- 40. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Customers don’t want continuous delivery 10
- 41. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Legacy code and broken trust
- 42. Explain your goal Pull, not push First improve, then accelarate
- 43. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes Be ready for surprises
- 44. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes @kimvanwilgen | www.kimvanwilgen.com Closing down Keep going
- 45. @kimvanwilgen | www.kimvanwilgen.comContinuous delivery in 10 easy mistakes @kimvanwilgen | www.kimvanwilgen.com References and questions www.kimvanwilgen.com kimvanwilgen kimvanwilgen@gmail.com