feat: add a dummy set/get in the main route to try redis

lib/Urupam/App.pm

@@ -1,16 +1,45 @@
 package Urupam::App;
 
 use Mojo::Base 'Mojolicious';
-use Moose;
+use Urupam::DB;
 
 sub startup {
     my $self = shift;
 
+    $self->helper(
+        db => sub {
+            my $c = shift;
+            $c->stash->{db} ||= Urupam::DB->new;
+        }
+    );
+
     my $r = $self->routes;
     $r->get('/')->to(
         cb => sub {
-            my $c = shift;
-            $c->render( text => 'Hello from urupam!' );
+            my $c  = shift;
+            my $tx = $c->render_later->tx;
+            my $db = $c->db;
+
+            $db->set( 'test_key' => '123soleil' )->then(
+                sub {
+                    $c->app->log->info('Value set: test_key => 123soleil');
+                    return $db->get('test_key');
+                }
+            )->then(
+                sub {
+                    my $value = shift;
+                    $c->app->log->info("Value retrieved: $value");
+                    $c->render( text => "ok\nRetrieved value: $value" );
+                    undef $tx;
+                }
+            )->catch(
+                sub {
+                    my $err = shift;
+                    $c->app->log->error("DB error: $err");
+                    $c->render( text => "ok\nError: $err", status => 500 );
+                    undef $tx;
+                }
+            );
         }
     );
 }