ruby on rails - Change dotenv configuration when deploying to Heroku/production? -


i have ajax call relies on api key part of request url. using dotenv hide key. works fine when run locally, once deployed on heroku, gives me a:

uncaught typeerror: cannot read property '________' of null

it looks though it's returning null (but it's totally fine in development). i'm wondering if have change of settings relating dotenv when pushing heroku / production?

thanks!

i assuming referring file named .env dotenv. every variable in file need on heroku must defined in heroku config vars : https://devcenter.heroku.com/articles/config-vars

the .env file easy way replicate heroku config vars locally. way code prepared read configuration data config vars. code running on heroku need set heroku config vars.


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