EnsureDatabaseIsUpToDate<ApplicationDbContext>(container).GetAwaiter().GetResult();
EnsureDatabaseIsUpToDate<ReadStoreDbContext>(container).GetAwaiter().GetResult();

private static async Task EnsureDatabaseIsUpToDate<T>(IContainer container) where T : DbContext
{
    using (var dbContext = container.Resolve<T>())
    {
        var dbExists = dbContext
            .Database
            .GetService<IRelationalDatabaseCreator>()
            .Exists();

        var hasPendingMigrations = dbContext
            .Database
            .GetPendingMigrations()
            .Any();

        if (!dbExists || hasPendingMigrations)
        {
            await dbContext.Database.MigrateAsync();
        }
    }
}