use dotenv-rails on production too

Gemfile

@@ -22,6 +22,8 @@ gem 'webpacker', '~> 5.0'
 gem 'turbo-rails'
 # Use Redis adapter to run Action Cable in production
 gem 'redis', '~> 4.2.5'
+# Autoload dotenv in Rails
+gem 'dotenv-rails'
 # Use Active Model has_secure_password
 gem 'bcrypt', '~> 3.1.7'
 # Flexible authentication solution for Rails with Warden
@@ -53,8 +55,6 @@ group :development, :test do
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
   # Strategies for cleaning databases. Can be used to ensure a clean slate for testing
   gem 'database_cleaner'
-  # Autoload dotenv in Rails
-  gem 'dotenv-rails'
   # rspec-rails is a testing framework for Rails 5+
   gem 'rspec-rails'
   # RuboCop is a Ruby code style checking and code formatting tool. It aims to enforce the community-driven Ruby Style Guide