Use POST for logout, as GET is deprecated as of Django 4.1

templates/base.dj.html

@@ -34,7 +34,10 @@
                  href="{% block admin_link %}{% url 'admin:index' %}{% endblock %}">Admin</a>
             {% endif %}
             {% if user.is_authenticated %}
-              <a class="nav-item nav-link" href="{% url 'logout' %}">Logout: {{ user }}</a>
+              <form method="post" action="{% url 'logout' %}">
+                {% csrf_token %}
+                <button class="btn" type="submit">Logout: {{ user }}</button>
+              </form>
             {% else %}
               <a class="nav-item nav-link"
                  href="{% url 'login' %}?next={{ request.get_full_path }}">Login</a>