Fix the gcc not found issue during building docker (#314)
Fix the gcc not found issue during building docker (#314)

When building the docker image, there is an error: unable to execute 'gcc': No such file or directory. I add a quick fix for this issue.
fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3,fastai/course-v3