Combine PDFs in current directory using pdftk
docker run -v ${PWD}:/work mnuessler/pdftk a.pdf b.pdf c.pdf cat output combined.pdf
Resolve volume errors
Errror mkdir /host_mnt/c: file exists
> docker volume prune
docker run -v ${PWD}:/work mnuessler/pdftk a.pdf b.pdf c.pdf cat output combined.pdf
Errror mkdir /host_mnt/c: file exists
> docker volume prune