How do i run jest testcases without using npm command?

Question

I have built docker test image using multistage and in the final image not recommended to install npm. But using the final image i have to trigger jest testcases. Is there any way to trigger jest testcases without using npm/node commands?

1. Not recommended to install npm at final image.
2. Using final image, i need to trigger jest testcases.

How do i run jest testcases without using npm command?

I have built multistage docker image, in stage #1 i have installed npm and in stage#2 i have copied node_modules folder and while running final image, through shell script file i gave npm start command to trigger jest testcase but npm command is not found at final image.

./start.sh: line 6: npm: command not found

How do i run jest testcases without using npm command?

Answer 1

you can also install Jest globally in your Docker image by adding a command like this to your Dockerfile: RUN npm install -g jest Then you can modify your start.sh file to use the globally installed jest command:

#!/bin/sh

jest