Dockerfile copy keep subdirectory structure

I'm trying to copy a number of files and folders to a docker image build from my localhost. The files are like this: folder1/ file1 file2 folder2/ file1 file2 I'm trying to make the copy like this: COPY files/* /files/ However, all of the files from folder1/ and folder2/ are placed in /files/ directly, without their folders: files/ file1 file2 Is there a way in Docker to keep the subdirectory stru