gistfile1.pl

    container 'Config' => as {
        service 'config' => (
            lifecycle    => "Singleton",
            class        => 'Config::JFDI',
            dependencies => {
                name => service( name => "your_app_name" ),
                path => '/Path/etc',
            },
        );
    };

    
    container 'SomethingNeedingConfig' => as {
        service 'some_service' => (
            lifecycle    => "Singleton",
            class        => 'Some::Class',
            dependencies => { config => '/Config/config' },
            block        => sub {
                my $s = shift;

                my $from_config = $s->param('config')
                    ->get->{'some'}{'key'};

                return Some::Class->new( foo => $from_config);
            }
        }
    }