Add a dumpconfig command, mostly useful to debug Docker setups

lib/Travelynx/Command/dumpconfig.pm

@@ -0,0 +1,24 @@
+package Travelynx::Command::dumpconfig;
+use Mojo::Base 'Mojolicious::Command';
+
+use Data::Dumper;
+
+has description => 'Dump current configuration';
+
+has usage => sub { shift->extract_usage };
+
+sub run {
+	my ($self) = @_;
+
+	print Dumper( $self->app->config );
+}
+
+1;
+
+__END__
+
+=head1 SYNOPSIS
+
+  Usage: index.pl dumpconfig
+
+  Dumps the current configuration (travelynx.conf) to stdout.