Django Post Page

from django.db import modelsfrom django.contrib.auth.models import Userclass Post(models.Model):    title = models.CharField(max_length=30)    body = models.TextField(max_length=500)    date_posted = models.DateTimeField(auto_now_add=True)    author = models.ForeignKey(User, on_delete=models.CASCADE)    def __str__(self):        return self.title

> python manage.py makemigrations> python manage.py migrate

class postForm(forms.ModelForm):    class Meta:        model = Post        fields = ['title', 'body', ]

from .forms import registerForm, postForm,from django.contrib.auth.forms import Userdef postPage(request):    if request.method == 'POST':        form = postForm(request.POST)        if form.is_valid():            title = request.POST.get('title')            body = request.POST.get('body')            user = User.objects.filter(username=request.user.username).first()            post = Post.objects.create(title=title, body=body, author=user)            post.save()            return redirect('home')    else:        form = postForm()    return render(request, 'app/post.html', {'form': form})

{% load crispy_forms_tags %}{% block content %}    <form method="POST">    {% csrf_token %}    {{ form|crispy }}<br>    <button type="submit">Post</button>    </form>{% endblock %}

from django.urls import pathfrom . import viewsurlpatterns = [    path('post/',views.postPage,name='post'),]

from .models import Postdef homePage(request):    posts = Post.objects.all()    return render(request, 'app/home.html', {'posts': posts})

{% block content %}    {% for post in posts %}        <article class="media content-section">          <img class="rounded-circle article-img" src="{{ post.author.profile.image.url }}">          <div class="media-body">            <div class="article-metadata">              <a class="mr-2" href="#">{{ post.author }}</a>              <small class="text-muted">{{ post.date_posted|date:"F d, Y" }}</small>            </div>            <h2><a class="article-title" href="{% url 'Postview' post.id %}">{{ post.title }}</a></h2>            <p class="article-content">{{ post.body }}</p>          </div>        </article>    {% endfor %}{% endblock content %}