require(*key) — ActiveSupport::EnvConfiguration

require(*key)

Find an upcased and double-underscored-joined string-version of the key in ENV. Raises KeyError if not found.

Given ENV:

DB_HOST: "env.example.com"
DATABASE__HOST: "env.example.com"

Examples:

require(:db_host)         # => "env.example.com"
require(:database, :host) # => "env.example.com"
require(:missing)         # => KeyError

Parameters

Source

# File activesupport/lib/active_support/env_configuration.rb, line 42
    def require(*key)
      @envs.fetch envify(*key)
    end

Defined in activesupport/lib/active_support/env_configuration.rb line 42 · View on GitHub · Improve this page · Find usages on GitHub