How to deploy a nodejs app that uses python scripts on heroku

Question

I have a basic nodejs app that works fine on its own on heroku, but I want to add a python script that nodejs will call that uses a numpy package. I have gotten it to work on my local host but I am struggling to get it to work on heroku as it does not recognise the numpy package and I cannot seem to install it with pip as it does not get recognised either.

The same as you would do it with pip. easy_install numpy — Cory Madden
– Cory Madden, Commented Jul 23, 2017 at 20:22
Yes, I tried that, only got "Error: Command failed: easy_install numpy /bin/sh: 1: easy_install: not found" when I tried to build. — Kobus Marais
– Kobus Marais, Commented Jul 24, 2017 at 18:55

Kobus Marais · Accepted Answer · 2017-07-25 09:40:13Z

6

All I had to do was add a requirements.txt file to my project and run: heroku buildpacks:add --index 1 heroku/python -a appname

answered Jul 25, 2017 at 9:40

Kobus Marais

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