DL4006 warning: Set the SHELL option -o pipefail before RUN with a pipe in it. If you are using /bin/sh in an alpine image or if your shell is symlinked to busybox then consider explicitly setting your SHELL to /bin/ash, or disable this check

DL3013 warning: Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>` or `pip install --requirement <requirements file>`

DL3042 warning: Avoid use of cache directory with pip. Use `pip install --no-cache-dir <package>`

Error when evaluating 'strategy' for job 'test'. codecrafters-io/course-sdk/.github/workflows/test-course-definition.yml@main (Line: 218, Col: 19): Matrix vector 'language' does not contain any values