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How to read GitLab variables in CI/CD inside package.json

I have a private-module (private npm package) reference in my package.json file. Module is hosted on the company account (GitLab platform) and we use GitLab CI/CD.

private-module

package.json

Problem is that I need to insert access token of our repository on a place of <token> (you can see in the snippet).

access token

<token>

I need help with figuring out how to read gitlab environment variables inside my package.json.

"dependencies": {
"private-module": "git+http://<username>:<token>@url.git",
}


I found out that it is possible to create config key in package.json and define variables there but because of security reasons our variables need to be provided during CI step.

config

package.json

1 Answer
1

One possible solution is using envsubst:

Your package.json file:

"dependencies": {
"private-module": "git+http://<username>:${token}@url.git",
}


then running

envsubst '${token}' <package.json


${token} needs to exist as a Gitlab CI variable and the image you use needs the envsubst command. Otherwise you will need to replace the text with any other solution such as sed.

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