ApplicationDbContext.cs

public class DesignTimeDbContextFactory : IDesignTimeDbContextFactory<ApplicationDbContext> 
{ 
   public ApplicationDbContext CreateDbContext(string[] args) 
   { 
      IConfigurationRoot configuration = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile(@Directory.GetCurrentDirectory() + "/../MyCookingMaster.API/appsettings.json").Build(); 
      var builder = new DbContextOptionsBuilder<ApplicationDbContext>(); 
      var connectionString = configuration.GetConnectionString("DatabaseConnection"); 
      builder.UseSqlServer(connectionString); 
      return new ApplicationDbContext(builder.Options); 
   } 
}