실습 blog / models.py from django.db import models class Post(models.Model): title = models.CharField(max_length=100) content = models.TextField() head_image = models.ImageField( upload_to='blog/images/%Y/%m/%d/', blank=True) file_upload = models.FileField( upload_to='blog/files/%Y/%m/%d/', blank=True) created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateField(auto_now=True..