Installing Anaconda Python - no such file or directory

I'm building a docker image using alpine linux and Anaconda. I get the following error from the anaconda install script, but the file does exist

miniconda.sh: line 266: /miniconda/pkgs/python-2.7.9-3/bin/python: No such file or directory
ERROR:
cannot execute native linux-64 binary, output from 'uname -a' is:
Linux bb29f5eca5c9 4.0.5-boot2docker #1 SMP Tue Jun 16 01:39:56 UTC 2015 x86_64 Linux

The installer comes from here: http://conda.pydata.org/miniconda.html. The docker file is contained here: https://github.com/rothnic/docker/tree/master/conda/2.7

From the few cases i've seen that are somewhat similar, it seems this corresponds to some kind of compiler mismatch?