In a CI/CD pipeline, all automated unit tests have passed during the build stage. Why is the artifact typically deployed to a separate integration environment next?
To rerun the same isolated unit tests that were already executed in the build stage.
To provide the final live environment where end users access the application.
To archive previous versions of build artifacts for regulatory compliance only.
To validate how the new code interacts with databases, external APIs, and other system components before it moves further down the pipeline.
The integration environment exists to expose issues that unit tests cannot detect. Deploying the build into an environment that contains real (or realistic) databases, APIs, message queues, and other shared services validates how the new code interacts with external components and with code produced by other teams. This step helps uncover subtle configuration or compatibility problems early, preventing unexpected failures later in staging or production.
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