continuous delivery in financial trading at ig

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Continuous Delivery in Financial TradingMay 2015

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Who am IDavid Genn@david_gennhttps://medium.com/@david_genn

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Continuous Delivery is a software development discipline where you build software in such a way that the software can be released to production at any time.

Martin Fowler http://martinfowler.com/bliki/ContinuousDelivery.ht

ml

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How do you feel about deploying your code into production?

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Releasing code should be fun

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Challenges

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Uptime SLAs

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Complex cross-team projects

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Physical servers

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Releasing monthly is pretty frequent

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A lot of effort has gone into making the current process stable

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Developer attitude

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Legacy code

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What about the code freeze?

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Any company can adopt Continuous Delivery

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Principles over practice

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Principles over practice

• Separate Deployment from Release• Automate Everything• Trust Your Tests• Every Commit is a Release Candidate

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Developer merges

code

Bamboo tags the code and builds it

Runs automated

tests

Deploys to dark test

environment

Runs automated

tests

MANUAL STOP

Flip dark to light in test

MANUAL STOP

Deploy to UAT dark

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What we’ve learned- Working with others

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Conversations over project proposals

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Understand the other point of view

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Say Thank You

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What we’ve learned- Implementation

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Don’t reinvent the wheel

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80% is good enough

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Start smallBe brave quickly

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Seize opportunities

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Bake in scalability from the start

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What we’ve learned- In our team

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Maturity is everything

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Embrace the bureaucracy

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Make it easy to do the right thing

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Thank youDavid Genn@david_gennhttps://medium.com/@david_genn