teacher-tools/api/schema/auth.sql

CREATE TABLE auth_user (
    id BIGSERIAL PRIMARY KEY,
    username VARCHAR(64) NOT NULL UNIQUE
		CONSTRAINT username_check CHECK (LENGTH(username) >= 3),
    password_hash VARCHAR(255) NOT NULL
		CONSTRAINT password_check CHECK (LENGTH(password_hash) >= 32),
    created_at BIGINT NOT NULL
		DEFAULT EXTRACT(EPOCH FROM CURRENT_TIMESTAMP) * 1000,
    is_locked BOOLEAN NOT NULL DEFAULT FALSE,
    is_admin BOOLEAN NOT NULL DEFAULT FALSE
);