Generates a Google credential file based on Heroku Config Vars.
This is useful when using a package such as @google-cloud/storage which loads credentials from a file instead of an environmental variable.
- Create Config Vars key
GOOGLE_CREDENTIALS
and paste the content of service account credential JSON file as is. - Create a key under Config Vars
GOOGLE_APPLICATION_CREDENTIALS
and set a value asgoogle-credentials.json
.
The script with generate a file called google-credentials.json
which holds the key from the step #1 above.
To add to your application, run:
heroku buildpacks:set https://github.com/buyersight/heroku-google-application-credentials-buildpack.git -a your-app-name