How To Activate An Anaconda Environment In A Singularity Recipe

I am trying to create a singularity image and recipe that will create an anaconda environment and then activate said environment so I can build the python wheel of a project in tha

Solution 1:

If I am not wrong (which is totally possible) the same happens with virtualenv.

The problem is source is not a command, try:

. activate caiman

instead of

source activate caiman

Editing after updated question, check this https://github.com/conda/conda/issues/6639 you might want to investigate what your activate is doing (seems to be looking for non existing files)