Seeding Racer data with the F1Context

F1Context.cs

protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    base.OnModelCreating(modelBuilder);

    modelBuilder.Entity<Racer>().Property(r => r.Name)
        .IsRequired()
        .HasMaxLength(100);
    modelBuilder.Entity<Racer>().Property(r => r.Team)
        .IsRequired(false)
        .HasMaxLength(60);

    modelBuilder.Entity<Racer>().HasData(
        new Racer { Id = 1, Name = "Lewis Hamilton", Team = "Mercedes" },
        new Racer { Id = 2, Name = "Sebastian Vettel", Team = "Ferrari" },
        new Racer { Id = 3, Name = "Kimi Räikkönen", Team = "Ferrari" },
        new Racer { Id = 4, Name = "Valtteri Bottas", Team = "Mercedes" },
        new Racer { Id = 5, Name = "Max Verstappen", Team = "Red Bull Racing"},
        new Racer { Id = 6, Name = "Daniel Ricciardo", Team = "Red Bull Racing"}
    );
}