Environment variable
If you set the environment variable file in
the value of the environment variable file will be set automatically in process.env.
env_path of config/config.js,the value of the environment variable file will be set automatically in process.env.
The
NODE_ENV environment variable is required. If omitted, development is used.
You can access the environment variables yourself and perform your own checks and logic, as in the following example.
if (process.env.NODE_ENV === 'development')
;