I have a Dockerfile with the following line:
COPY *.zip ~user1
The user user1 already exists and has a home directory (i.e. /home/user1). The goal, of course, is to copy the zip file into that user's home dir, however the result of the above is that the zip file is copied to a file named literally /~user1 in the image.
The following does work as expected:
COPY *.zip /home/user1
Is this a bug in Docker or is there a limitation related to tilde expansion that I'm not aware of?
Using Docker 1.13.0 on Mac.
Tilde expansion for COPY is not supported.
From The COPY docs:
The
destis an absolute path, or a path relative to WORKDIR, into which the source will be copied inside the destination container.
Example:
COPY test relativeDir/ # adds "test" to `WORKDIR`/relativeDir/
COPY test /absoluteDir/ # adds "test" to /absoluteDir/