How CI/CD works: why releasing code every day is safer than once a month
Build artifacts: why you build an app once and ship that same copy
The version of an app that was tested and the version that goes live can be two different apps, even when they come from the same code. How that happens, and why careful teams build their app only once.
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1
Until now, on every release day, Rono built the app again on his own laptop, from the code in main, and copied what came out onto production.
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2
The version the team had tested during the week was another build of the same code. In between, one of the app's dependencies, ready-made code it uses, got a new version, so the app that went live was one nobody had tested.
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