Configuring Production Environments (Linux)
For the system to know the linux install (e.g. aws ec2) is configured as a production environment, and any other system wide configurations you have to edit the ~/.bashrc file. While this will vary by production, but an example line for a Ruby on Rails install will be “export RAILS_ENV=production”
In addition within the application code folder there will usually be a .env file that should be used to store machine specific configuration variables that should not be stored in public locations (e.g. Github). For example devise secret keys