from django.db import migrations, models import django.core.validators class Migration(migrations.Migration): initial = True dependencies = [] operations = [ migrations.CreateModel( name="Server", fields=[ ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")), ("display_name", models.CharField(max_length=128)), ( "hostname", models.CharField( blank=True, max_length=253, null=True, unique=True, validators=[ django.core.validators.RegexValidator( message="Enter a valid hostname.", regex="^(?=.{1,253}$)(?!-)[A-Za-z0-9-]{1,63}(?