Environment variables

If your application requires environment variables, you can define them when deploying it. To expand the section click on the triangle to the left:

Then, add the environment variables keys and values:

To add more, click on the button to the right:

Reading variables

To read the variables, use the following Python code:

from os import environ

value = environ.get("MY_ENV_VAR")

if value is None:
    print("MY_ENV_VAR is undefined!")
else:
    print(f"MY_ENV_VAR: {value}")

A complete example is available here.