buildx failed with: ERROR: failed to solve: process "/bin/sh -c python3 -m venv --system-site-packages myenv && source myenv/bin/activate && python3 pillow_heif/libheif/linux_build_libs.py && if [ `getconf LONG_BIT` = 64 ]; then python3 -m pip install -v \"pillow_heif/.[tests]\"; else python3 -m pip install -v \"pillow_heif/.[tests-min]\"; fi && echo \"**** Build Done ****\" && python3 -c \"import pillow_heif; print(pillow_heif.libheif_info())\" && pytest pillow_heif && echo \"**** Test Done ****\"" did not complete successfully: exit code: 1

FromAsCasing: 'as' and 'FROM' keywords' casing do not match More info: https://docs.docker.com/go/dockerfile/rule/from-as-casing/