models.py

from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User


class Post(models.Model):
    author = models.ForeignKey('auth.User')
    title = models.CharField(max_length=200)
    text = models.TextField()
    image = models.ImageField(upload_to='img')
    created_date = models.DateTimeField(
        default=timezone.now)
    published_date = models.DateTimeField(
        blank=True, null=True)

    def publish(self):
        self.published_date = timezone.now()
        self.save()

    def __str__(self):
        return self.title


class Client(models.Model):
    user = models.OneToOneField(User)
    user_photo = models.ImageField(upload_to='img')


class Comment(models.Model):
    author = models.ForeignKey(User, verbose_name='Автор')
    text = models.TextField(max_length=430, verbose_name='Комментарий')
    article_for = models.IntegerField()
    data = models.DateTimeField(auto_now_add=True)

Сам вывод

{% extends 'base.html' %}
{% block content %}
    <div class="art">
    <a id="edit" href="/post/{{ post.id }}/edit">Редактировать статью</a>
    <h5>{{ post.title }}</h5>
    <h6>{{ post.published_date }}</h6>
    <p>{{ post.text|linebreaksbr }}</p>
    </div>
    <div class="comments">
 {% for comment in commets %}
    <div class="comment">
        <h4>{{ comment.author }}</h4>
        </i>{{ comment.data }}
        <p>{{ comment.text }}</p>
</div>
    {% endfor %}
    </div>
{% endblock %}

функция во вьюхе

def comment(request):
    context = {
        'commets': Comment.objects.filter(article_for=id)
    }
    return render(request, 'post.html', context=context)