Docker Image and first iteration

showcase/admin.py

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+from django.contrib import admin
+
+from .models import PortfolioEntry, Region
+
+
+@admin.register(Region)
+class RegionAdmin(admin.ModelAdmin):
+    list_display = ("name", "code", "level", "parent")
+    list_filter = ("level", "parent")
+    search_fields = ("name", "code")
+
+
+@admin.register(PortfolioEntry)
+class PortfolioEntryAdmin(admin.ModelAdmin):
+    list_display = ("title", "organization", "entry_type", "is_published", "display_order")
+    list_filter = ("entry_type", "is_published", "regions")
+    search_fields = ("title", "organization", "summary")
+    filter_horizontal = ("regions",)
+