Dockerfile local build failing

[ttimbers]

Just tried to build the Dockerfile locally and the following error message was returned:

UnsatisfiableError: The following specifications were found to be incompatible with a past
explicit spec that is not an explicit spec in this operation (panel):

  - pyviz -> datashader[version='>=0.7.0'] -> scikit-image -> networkx[version='>=1.8']
  - pyviz -> geoviews[version='>=1.6.2'] -> holoviews[version='>=1.11.0'] -> panel

The following specifications were found to be incompatible with each other:

  - conda-forge/linux-64::astropy==3.2.1=py36h516909a_0 -> libgcc-ng[version='>=7.3.0']
  - conda-forge/linux-64::astropy==3.2.1=py36h516909a_0 -> numpy[version='>=1.13'] -> blas==1.0=mkl
...
...
...
The command '/bin/sh -c conda install --quiet --yes -c pyviz pyviz' returned a non-zero code: 1