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in/tdpauw @tdpauw.bsky.social @[email protected] thinkinglabs.io Continuous Integration! Raising the Bar Trunk-based Thierry (they/them) Blue birds lightart from Maeterlinck Predikerenlei Ghent, Belgium shy speaker

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20 practices that make Continuous Integration

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Raising the bar

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Commit Frequently

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Commit at least once an hour! Preferable, multiple times per hour.

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Changes are small. It reduces risks!

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Disables Feature Branches!

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Gentle design pressure … ● work in many more smaller steps ● more decoupled code base ● speed up the build ● hide more unfinished functionality => virtuous circle

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Decouple the Codebase

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● Ports & Adapters ● Kent Beck’s 4 rules of simple design ● Intentional Code Duplication (see Expand-Contract) ● Single Responsibility ● Dependency Injection

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Amplify quality Optimise engineering time to introduce change

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Hide Unfinished Functionality

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Perfectly acceptable to have unfinished functionality sitting in production

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Without fancy toggles

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Sometimes we need Feature Toggles -> we have to manage them!

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Adopt Expand-Contract

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Have a Fast Build

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When the Build is slow ● do not execute the Local Build ● execute the Local Build less often

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What is fast? ● 10 min is the limit ● under 5 min should be the focus ● 30s avoids hallway sword fighting 🤷

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● Commit Frequently ● Decouple the Code Base ● Hide Unfinished Functionality ● Adopt Expand-Contract ● Have a Fast Build Raising the bar For faster feedback Thus better quality!

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in/tdpauw @tdpauw.bsky.social @[email protected] thinkinglabs.io Hello, I am Thierry de Pauw fancies dark chocolate, black coffee & peated whisky The article: https://thinkinglabs.io/raising-the-continuous-integration-bar Blue birds lightart from Maeterlinck Predikerenlei Ghent, Belgium