Indicate docker config in readme and auto create admin user in docker

photologue/management/commands/create_default_admin.py

@@ -0,0 +1,32 @@
+from django.contrib.auth import get_user_model
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    help = "Create default admin user (admin@localhost / admin) if it does not exist"
+
+    def handle(self, *args, **kwargs):
+        User = get_user_model()
+        email = "admin@localhost"
+        username = "admin"
+        password = "admin"
+
+        if User.objects.filter(username=username).exists():
+            self.stdout.write("Default admin already exists, skipping.")
+            return
+
+        user = User.objects.create_superuser(username=username, email=email, password=password)
+
+        # Mark the email as verified via allauth
+        try:
+            from allauth.account.models import EmailAddress
+            EmailAddress.objects.create(
+                user=user,
+                email=email,
+                primary=True,
+                verified=True,
+            )
+        except Exception as e:
+            self.stderr.write(f"Could not create allauth EmailAddress: {e}")
+
+        self.stdout.write(f"Default admin created: {username} / {password}")