Echo form

use Mojolicious::Lite;

get '/' => { text => 'Hello World' };

get '/echo' => { text => q{
    <form method="POST">
    <input name="q">
    <input type="submit" value="Echo">
    </form>
}};
 
app->secrets(['My very secret passphrase.']);

app->start;

• Visit http://127.0.0.1:3000/echo
• Fill the form and submit