entity framework core add migration with seed data code example

Example: ef core seed data bogus data without migration

public static class SeedDatabase
{
    public static void Initialize(IServiceProvider serviceProvider)
    {
        using (var context = new HospitalManagementDbContext(serviceProvider.GetRequiredService<DbContextOptions<HospitalManagementDbContext>>()))
        {
            if (context.InvestigationTags.Any())
            {
                return;
            }

            context.InvestigationTags.AddRange(
                new Models.InvestigationTag
                {
                    Abbreviation = "A1A",
                    Name = "Alpha-1 Antitrypsin"
                },

                new Models.InvestigationTag
                {
                    Abbreviation = "A1c",
                    Name = "Hemoglobin A1c"
                },


                new Models.InvestigationTag
                {
                    Abbreviation = "Alk Phos",
                    Name = "Alkaline Phosphatase"
                }
                );
            context.SaveChanges();
        }
    }
}