Installe et configure le gem config

Ce commit bouge aussi la configuration de la BDD (qui utilise les
credentials chiffés de Rails) sous l'objet Settings
pour n'avoir qu'un point d'entrée.

.gitignore

@@ -38,3 +38,7 @@
 !/app/assets/builds/.keep
 
 /config/credentials/development.key
+
+config/settings.local.yml
+config/settings/*.local.yml
+config/environments/*.local.yml

Gemfile

@@ -44,6 +44,8 @@ gem "bootsnap", require: false
 # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
 # gem "image_processing", "~> 1.2"
 
+gem "config"
+
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   gem "debug", platforms: %i[mri windows]

Gemfile.lock

@@ -94,12 +94,15 @@ GEM
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
     concurrent-ruby (1.2.3)
+    config (5.4.0)
+      deep_merge (~> 1.2, >= 1.2.1)
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
     debug (1.9.2)
       irb (~> 1.10)
       reline (>= 0.3.8)
+    deep_merge (1.2.2)
     drb (2.2.1)
     erubi (1.12.0)
     globalid (1.2.1)
@@ -308,6 +311,7 @@ PLATFORMS
 DEPENDENCIES
   bootsnap
   capybara
+  config
   debug
   importmap-rails
   jbuilder

config/database.yml

@@ -19,8 +19,8 @@ default: &default
   # For details on connection pooling, see Rails configuration guide
   # https://guides.rubyonrails.org/configuring.html#database-pooling
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  username: <%= Rails.application.credentials.database.username %>
-  password: <%= Rails.application.credentials.database.password %>
+  username: <%= Settings.credentials.database.username %>
+  password: <%= Settings.credentials.database.password %>
 
 development:
   <<: *default
@@ -83,5 +83,3 @@ test:
 production:
   <<: *default
   database: quotient_familial_production
-  username: quotient_familial
-  password: <%= ENV["QUOTIENT_FAMILIAL_DATABASE_PASSWORD"] %>

config/initializers/config.rb

@@ -0,0 +1,68 @@
+Config.setup do |config|
+  # Name of the constant exposing loaded settings
+  config.const_name = "Settings"
+
+  # Ability to remove elements of the array set in earlier loaded settings file. For example value: '--'.
+  #
+  # config.knockout_prefix = nil
+
+  # Overwrite an existing value when merging a `nil` value.
+  # When set to `false`, the existing value is retained after merge.
+  #
+  # config.merge_nil_values = true
+
+  # Overwrite arrays found in previously loaded settings file. When set to `false`, arrays will be merged.
+  #
+  # config.overwrite_arrays = true
+
+  # Defines current environment, affecting which settings file will be loaded.
+  # Default: `Rails.env`
+  #
+  # config.environment = ENV.fetch('ENVIRONMENT', :development)
+
+  # Load environment variables from the `ENV` object and override any settings defined in files.
+  #
+  config.use_env = false
+
+  # Define ENV variable prefix deciding which variables to load into config.
+  #
+  # Reading variables from ENV is case-sensitive. If you define lowercase value below, ensure your ENV variables are
+  # prefixed in the same way.
+  #
+  # When not set it defaults to `config.const_name`.
+  #
+  config.env_prefix = "SETTINGS"
+
+  # What string to use as level separator for settings loaded from ENV variables. Default value of '.' works well
+  # with Heroku, but you might want to change it for example for '__' to easy override settings from command line, where
+  # using dots in variable names might not be allowed (eg. Bash).
+  #
+  config.env_separator = "__"
+
+  # Ability to process variables names:
+  #   * nil  - no change
+  #   * :downcase - convert to lower case
+  #
+  # config.env_converter = :downcase
+
+  # Parse numeric values as integers instead of strings.
+  #
+  # config.env_parse_values = true
+
+  # Validate presence and type of specific config values. Check https://github.com/dry-rb/dry-validation for details.
+  #
+  # config.schema do
+  #   required(:name).filled
+  #   required(:age).maybe(:int?)
+  #   required(:email).filled(format?: EMAIL_REGEX)
+  # end
+
+  # Evaluate ERB in YAML config files at load time.
+  #
+  config.evaluate_erb_in_yaml = true
+
+  # Name of directory and file to store config keys
+  #
+  # config.file_name = 'settings'
+  # config.dir_name = 'settings'
+end

config/initializers/config_add_credentials.rb

@@ -0,0 +1,2 @@
+Settings.add_source!(credentials: Rails.application.credentials.to_h)
+Settings.reload!

config/settings.yml

@@ -0,0 +1 @@
+# keys from rails' credentials are added under "credentials" (cf config_add_credentials.rb)