Module: ConfigSL::FromEnvironment
- Included in:
- Config
- Defined in:
- lib/configsl/from_environment.rb
Overview
Load configuration from the environment.
This module provides a way to load configuration values from environment variables. It checks for a variables using the name of the option, in upper snake case (e.g. ‘MY_OPTION`). You can add a prefix to all variable names using `from_environment_prefix`.
from_environment_prefix 'DATABASE_'
option :host, default: 'localhost'
You can override the variable name for individual options by setting ‘env_variable`.
option :host, default: 'localhost', env_variable: 'DB_HOST'
Defined Under Namespace
Modules: ClassMethods
Class Method Summary collapse
Class Method Details
.included(base) ⇒ Object
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# File 'lib/configsl/from_environment.rb', line 19 def self.included(base) base.extend ClassMethods base.from_environment_prefix '' end |