{% macro render_messages(dismissible=true) %}
  {% with messages = get_flashed_messages(with_categories=true) %}
    {% if messages %}
      <div class="mb-3">
        {% for category, message in messages %}
          {% set bs = {
            'message': 'primary',
            'info': 'info',
            'success': 'success',
            'warning': 'warning',
            'error': 'danger',
            'danger': 'danger'
          }.get(category, 'secondary') %}
          <div class="alert alert-{{ bs }}{% if dismissible %} alert-dismissible fade show{% endif %}" role="alert">
            {{ message }}
            {% if dismissible %}
              <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            {% endif %}
          </div>
        {% endfor %}
      </div>
    {% endif %}
  {% endwith %}
{% endmacro %}