title: Environment variables are used over dist file defaults config: env-map: boolean: IC_TEST_BOOL foo: IC_TEST_FOO nested: IC_TEST_NESTED another: IC_TEST_NOT_SET environment: IC_TEST_BOOL: 'true' IC_TEST_FOO: 'foobar' IC_TEST_NESTED: '{foo: env_foo, bar: [env, test, null]}'
info at phpclasses dot org