Docker Image and first iteration

showcase/migrations/0002_seed_regions.py

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+import json
+from pathlib import Path
+
+from django.db import migrations
+
+
+def seed_regions(apps, schema_editor):
+    region_model = apps.get_model("showcase", "Region")
+    seed_path = Path(__file__).with_name("regions.json")
+    regions = json.loads(seed_path.read_text())
+
+    for region in regions["countries"]:
+        region_model.objects.update_or_create(
+            code=region["code"],
+            defaults={"name": region["name"], "level": "country", "parent": None},
+        )
+
+    for region in regions["subdivisions"]:
+        region_model.objects.update_or_create(
+            code=region["code"],
+            defaults={
+                "name": region["name"],
+                "level": "subdivision",
+                "parent_id": region["parentCode"],
+            },
+        )
+
+
+def unseed_regions(apps, schema_editor):
+    apps.get_model("showcase", "Region").objects.all().delete()
+
+
+class Migration(migrations.Migration):
+    dependencies = [("showcase", "0001_initial")]
+
+    operations = [migrations.RunPython(seed_regions, unseed_regions)]
+