no ñ

app/conection.php

@@ -5,10 +5,10 @@ $dbname = $_ENV["NAME_DATA_BASE"];
 
 $dsn = "mysql:dbname=$dbname;host=$host";
 $usuario = $_ENV["USER_NAME_DATABASE"];
-$contraseña = $_ENV["PASSWORD_DATABASE"];
+$contrasena = $_ENV["PASSWORD_DATABASE"];
 
 try {
-    $gbd = new PDO($dsn, $usuario, $contraseña);
+    $gbd = new PDO($dsn, $usuario, $contrasena);
     $query = "SELECT * FROM perro;";
 
     echo "la query";