Update for home use

posts/urls.py

 urlpatterns = [
     path('edit', views.new, name='new'),
     path('', views.index, name = 'index'),
-    path('delete/int:id/', views.delete, name ='delete')
+    path('delete/<int:deleteId>/', views.delete, name ='delete')
 ]

posts/views.py

 from django.shortcuts import render, redirect, HttpResponse
 from django.utils import timezone
+from django.contrib.auth.decorators import login_required
+from django.contrib.admin.views.decorators import staff_member_required
 
 from .forms import NoticeForm
 from .models import Notice
     context = { "notices": notices }
     return render(request, 'posts/index.html', context)
 
+@login_required
 def new(request):
     if request.method == "POST":
         form = NoticeForm(request.POST)
     context = {'form': NoticeForm()}
     return render(request, 'posts/edit.html', context)
 
-
-def delete(request):
-    notices = Notice.objects.all()
-    notices.filter()
+@staff_member_required
+def delete(request, deleteId=None):
+    if deleteId != None:
+        delNotice = Notice.objects.get(id=deleteId)
+        if delNotice != None:
+            delNotice.delete(())
+    return redirect('index')

templates/posts/index.html

 {% endblock %}
 
 {%  block body %}
-
+    <div>
+        {% if user.is_authenticated %}
+            <p><a href="{% url 'logout' %}?next=/posts" class="btn btn-warning">Abmelden</a></p>
+        {% endif %}
+        {% if not user.is_authenticated %}
+            <p><a href="{% url 'login' %}?next=/posts" class="btn btn-warning">Anmelden</a></p>
+        {% endif %}
+    </div>
     <div>
         {%  for notice in notices  %}
             <h3> {{ notice.notice_title }}</h3>
             <p> {{ notice.notice_text }}</p>
-            <p><a class="btn btn-info" role="button"> href={% url 'delete' id=n %}  Löschen </a></p>
+            {% if user.is_staff %}
+                <p><a  href="{% url 'delete' deleteId=notice.id %}" class="btn btn-danger">  Meldung löschen </a></p>
+            {% endif %}
         {%  endfor %}
     </div>
     <p><a href="{% url 'new' %}" class="btn btn-info" role="button">Neue Nachricht</a></p>

templates/registration/login.html

+{% extends 'base.html' %}
+
+{% block title %}
+    Login
+{% endblock %}
+
+{% block body %}
+
+    <div class="container">
+
+        <form method="post" action="{% url 'login' %}">
+            {% csrf_token %}
+            Benutzername: {{ form.username }} <br>
+            Passwort: {{ form.password }} <br>
+            <button type="submit" class="btn btn-default">Anmelden</button>
+            <input type="hidden" name="next" value="{{ next }}">
+        </form>
+
+    </div>
+
+{% endblock %}

webengdjango/urls.py

 urlpatterns = [
     path('posts/', include('posts.urls')),
     path('admin/', admin.site.urls),
+    path('accounts/', include('django.contrib.auth.urls'))
 ]