how to add to application environment config variables and use it in rails code example

Example 1: rails call env file

#in the .ENV file:
SECRET_TOKEN=qoLsDGcc8YEdeFQ8xWbtiwafMJvjUXpH

#in your code

key = ENV['SECRET_TOKEN']

Example 2: ruby on rails set environment variables example

config.before_configuration do  env_file = File.join(Rails.root, 'config', 'local_env.yml')  YAML.load(File.open(env_file)).each do |key, value|    ENV[key.to_s] = value  end if File.exists?(env_file)end

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Ruby Example

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