packages service: fix docker build (#12773)
packages service: fix docker build (#12773)

The build instructions I cloned from did not work ;)
LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack,iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack