Fix ordering of messages

src/pictures/migrations/0005_auto_20210124_1644.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.1.5 on 2021-01-24 16:44
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("pictures", "0004_auto_20210124_1407"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="message",
+            options={"ordering": ["-received_at"]},
+        ),
+    ]

src/pictures/models.py

@@ -28,6 +28,9 @@ class Message(models.Model):
     content = models.TextField(blank=True)
     received_at = models.DateTimeField(default=timezone.now)
 
+    class Meta:
+        ordering = ["-received_at"]
+
     def __str__(self):
         truncator = Truncator(self.content)
         truncated_content = truncator.words(15)