feat(user profile): use user id as primary key of user profile

app/migrations/0007_remove_userprofile_id_alter_userprofile_user.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.0.2 on 2022-04-29 05:28
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('app', '0006_userprofile_major'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='userprofile',
+            name='id',
+        ),
+        migrations.AlterField(
+            model_name='userprofile',
+            name='user',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, primary_key=True, related_name='profile', serialize=False, to=settings.AUTH_USER_MODEL, verbose_name='사용자'),
+        ),
+    ]

app/models/user_profile.py

@@ -10,6 +10,7 @@ class UserProfile(models.Model):
         related_name='profile',
         on_delete=models.CASCADE,
         verbose_name='사용자',
+        primary_key=True,
     )
     gender = models.BooleanField(
         default=None,