RAILS <= 5.2

1. Set secret key: To create a secret key, run the following command: bundle exec rake secret Copy the secret key and put it to config/secrets.yml file with the following format:

production:
 secret_key_base: <%=ENV["SECRET_KEY_BASE"]%>

2. Create credentials

• Remove the old credentials:rm config/credentials.yml.enc
• Create a new one: EDITOR='nano --wait' RAILS_ENV=production bin/rails credentials:edit

3. Create a database: RAILS_ENV=production rails db:create db:migrate db:seed

4. To precompile your assets, run RAILS_ENV=production rake assets:precompile. This will create a folder public/assetscontains all of your assets.

5. Run RAILS_ENV=production rails s and you should see your app.

RAILS > 5.2, RAILS 6

1. Create credentials file:

rails encrypted:edit config/credentials/staging.yml.enc --key config/credentials/staging.key

This going to create a two files:

+ /config/credentials/staging.key
+ /config/credentials/staging.yml.enc

2. Update credential files:

EDITOR=nano rails encrypted:edit config/credentials/staging.yml.enc --key config/credentials/staging.key