gistfile1.txt

Step 13 : RUN apt-get install -y supervisor
 ---> Running in 3dac0d3209a7
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 supervisor : Depends: python (>= 2.3) but it is not going to be installed
              Depends: python-medusa (>= 0.5.4) but it is not going to be installed
              Depends: python-meld3 but it is not going to be installed
              Depends: python-pkg-resources (>= 0.6c7) but it is not going to be installed
              Depends: python-support (>= 0.90.0) but it is not going to be installed