farmean

@register.inclusion_tag('blog/category_list.html')
def get_category_post ():
    categories = (
        Category.objects.all()
    )
    context = {
        'categories': categories,
    }
    return (context)

{% for category in categories %}

	<div class="row">
		<div class="col-md-12">
			<div class="section-title">
				<h2 class="title"> {{category.title}} </h2>
			</div>
		</div>

	{% for post in category.posts.all %}
		<div class="col-md-4">
			<div class="post post-sm">
				{% if post.photo %}
				<a class="post-img" href="{{ post.get_absolute_url }}"><img src="{{post.photo.url}}" alt="" class="mr-3"></a>
				{% else %}
				<a class="post-img" href="{{ post.get_absolute_url }}"><img src="https://picsum.photos/seed/picsum/350/300" alt="lalala"  class="mr-3"></a>
				{%endif%}
				<div class="post-body">
					<div class="post-category">
						<a href="category.html">{{post.title}}</a>
					</div>
					<h3 class="post-title title-sm"><a href="{{ post.get_absolute_url }}">{{post.descriptions|safe}}</a></h3>
					<ul class="post-meta">
						<li><a href="author.html">{{ post.author }}</a></li>
						<li>{{ post.created_at }}</li>

					</ul>
				</div>
			</div>
		</div>

		{% endfor %}

		<!-- /post -->
	</div>

Модели

<code>class Post(models.Model):
    title = models.CharField(max_length=255, verbose_name='Название')
    descriptions = models.CharField (default='Some descriptions',max_length= 150, verbose_name='Короткое описание')
    slug = models.SlugField(max_length=255, verbose_name='URL_Поста', unique=True)
    author = models.CharField(max_length=100, verbose_name='Автор')
    content = models.TextField(blank=True,verbose_name='Контент')
    created_at = models.DateTimeField(auto_now=True, verbose_name='Опубликована:')
    photo = models.ImageField(upload_to='photo/%Y/%m/%d/',blank=True, verbose_name='Фото')
    views = models.IntegerField(default=0, verbose_name='Количество просмотров:')
    tags = models.ManyToManyField(Tag, blank=True, related_name='tags')
    categories = models.ManyToManyField(Category, related_name='posts')</code>
<!-- /row -->


{% endfor  %}