CREATE TABLE IF NOT EXISTS `users` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `name` VARCHAR(255) NOT NULL,
  `email` VARCHAR(255) NOT NULL UNIQUE,
  `password` VARCHAR(255) NOT NULL,
  `city` VARCHAR(255) NOT NULL,
  `role` ENUM('member', 'leader') NOT NULL DEFAULT 'member',
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);