feat(project): init

init.sql

@@ -0,0 +1,36 @@
+-- 1. 创建 iam_service 专用用户
+CREATE USER iam_service_user WITH PASSWORD 'iam_service_password';
+
+-- 2. 创建 iam_service 专用数据库
+CREATE DATABASE iam_service_db OWNER iam_service_user;
+
+-- 3. 赋予权限（确保它能在 iam_service_db 库里创建 Schema）
+GRANT ALL PRIVILEGES ON DATABASE iam_service_db TO iam_service_user;
+
+-- 进入 iam_service_db
+
+-- 1. 启用 UUID 扩展
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+-- 2. 租户表
+CREATE TABLE tenants (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    name VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- 3. 用户表 (多租户核心)
+CREATE TABLE users (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    tenant_id UUID NOT NULL REFERENCES tenants(id),
+    email VARCHAR(255) NOT NULL,
+    password_hash VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- 4. 关键：创建联合唯一索引
+-- 允许不同租户拥有相同的 email，但同一租户内 email 必须唯一
+CREATE UNIQUE INDEX idx_users_tenant_email ON users(tenant_id, email);
+
+-- 5. 初始化一个测试租户 (方便后续测试)
+INSERT INTO tenants (id, name) VALUES ('11111111-1111-1111-1111-111111111111', 'Default Corp');