To speed up build processes, you can cache certain files and directories between jobs and between different pipeline executions using the cache keyword. This is a more advanced strategy, but is really useful to reduce turnaround time in your CI/CD pipelines if you want builds to be tested, packaged, or deployed rapidly. The cache parameter can take a few different parameters itself to help define the caching rules. Please note that caching can be defined locally (per-job) or globally, and that local caches will override any global declarations.
To manually clear caches, you can open the GitLab web user interface for your project and navigate to CI/CD | Pipelines using the menus on the left. From here, click the Clear Runner ...
