quick and dirty miniconda on CentOS7 for R 4.0 and python 3.6

Singularity

Bootstrap: docker
From: centos:7

%post
yum -y update && \
yum -y install bzip2 && \
yum -y clean all

# install miniconda
curl -qsSLkO https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh \
&& bash Miniconda3-latest-Linux-x86_64.sh -b -p /opt/miniconda3 \
&& rm Miniconda3-latest-Linux-x86_64.sh
/opt/miniconda3/bin/conda update conda && /opt/miniconda3/bin/conda update --all

PATH=/opt/miniconda3/bin:$PATH
export PATH

conda install r=4.0 python=3.6  -c r -c conda-forge -c anaconda

/opt/miniconda3/bin/conda list > /conda.txt
touch /`date -u -Iseconds`

%environment
PATH=/opt/miniconda3/bin:$PATH
export PATH
# do not use ~/.local python
PYTHONNOUSERSITE=1 
export PYTHONNOUSERSITE