CREATE TABLE users (
    id SERIAL PRIMARY KEY,
    uuid UUID NOT NULL,
    username TEXT NOT NULL,
    password TEXT NOT NULL,
    email TEXT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    is_active BOOLEAN NOT NULL DEFAULT TRUE
);

CREATE UNIQUE INDEX idx_users_uuid ON users(uuid);
CREATE UNIQUE INDEX idx_users_username ON users(username);