"no such file or directory" when writing to /tmp/

Question

Deploying a Go server on Railway Metal with Dockerfile builder. Our code creates temp files with a line like this:

tmpZip, err := os.CreateTemp("", "app-*.zip")

this triggers an error:

would appreciate any guidance on fixing this!

rgarcia · Accepted Answer

figured it out... my Dockerfile was using a minimal scratch image that does not have a /tmp directory. Added this to fix it:```# Make sure we have a tmp dirCOPY --from=base /tmp /tmp```