How to package a conda environment (environment.yml or requirements.txt)

env_req.md

Installing/Packaging with requirements.txt

create an environment from requirements.txt

conda create --name <env_name> --file requirements.txt

make a requirements.txt

conda list -e > requirements.txt 

create an environment from environment.yml

conda env create -f environment.yml

make an environment.yml

conda env export > environment.yml