Choosing Between CircleCI Native Caching and Docker Layer Caching
Decide when to use CircleCI save_cache versus Docker Layer Caching. Compare trade-offs, see a config example, and validate cache hits with concrete checks.
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circleciDocker Layer Caching cache invalidation fails when non-context files change in CircleCI 2.1
Docker Layer Caching in CircleCI 2.1 Docker Layer Caching (DLC) was introduced in CircleCI 2.1 to store Docker image layers between jobs, reducing build times. It is enabled via the docker_layer_caching: true flag and only works with the Docker executor on plans that support caching. Cache Key Behavior The DLC cache key is derived from the Dockerfile and the