if it does not exists, no configuration data - but default values may be generated by schema.
by populating values in dgfip-si1/Application internal configuration. .application-config.yml :
dgfip-si1:
configuration:
root_dir : /path/to/config # default to application root dir
path_patterns: # default : []
- [Cc]onfiguration
- config-data
name_patterns: # default : ['config.yml']
- '*.yml'
sort_by_name: # default : false
# true: sort by filename instead of by full path
recurse: # default false (true = recurse sub directories)
by using $app->config() methods add-file(), add-array(), findConfigFiles() or set()
see dgfip-si1/config-helper