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When setting up a server, I noticed that the environment variable process.env.PORT is used. Are there any other variables like this? Where can I see all of them?
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Accessing config var values from code js you can access your app's DATABASE_URL config var with process. env. DATABASE_URL .
One way of setting the environment variables on Heroku is to use the web interface. The first step is to log into your account and go to the Heroku dashboard. Figure 1 illustrates my dashboard. Choose the application for which you want to set the environment variables.
env file on Heroku isn't a good approach. Instead, you can use its built-in support for environment variables, using heroku config:set <var> <value> or its web UI. Either way, you'll get a regular environment variable. But for testing these config vars in local, we need to set up a .
IMO both – environment variables and config files – are secure as long you can trust everyone that has access to your servers and you carefully reviewed the source code of all libraries and gems you have bundled with your app.
The following command will display all of the environment variables, not just those visible from heroku config:
heroku run printenv If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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