feat: 添加数据库支持与Drizzle ORM配置

- 添加 postgres 依赖版本 3.4.8 以支持数据库连接功能
- 添加 Drizzle ORM 配置文件以指定数据库模式、迁移目录、数据库方言及连接凭证。
- 添加 postgres 依赖以支持数据库连接功能
- 初始化数据库连接，创建使用 Drizzle ORM 的数据库实例并导出连接函数。
- 添加空文件以保留数据库迁移目录的结构
- 导出用户数据模型的定义
- 创建用户表结构，包含唯一ID和姓名字段，并设置ID默认使用uuidv7生成。
- 添加环境变量验证，确保数据库连接URL格式正确。

bun.lock

@@ -14,6 +14,7 @@
         "dayjs": "^1.11.19",
         "drizzle-orm": "^1.0.0-beta.9-e89174b",
         "drizzle-zod": "^1.0.0-beta.9-e89174b",
+        "postgres": "^3.4.8",
         "react": "^19.2.3",
         "react-dom": "^19.2.3",
         "tailwindcss": "^4.1.18",
@@ -788,6 +789,8 @@
 
     "postcss": ["postcss@8.5.6", "", { "dependencies": { "nanoid": "^3.3.11", "picocolors": "^1.1.1", "source-map-js": "^1.2.1" } }, "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg=="],
 
+    "postgres": ["postgres@3.4.8", "", {}, "sha512-d+JFcLM17njZaOLkv6SCev7uoLaBtfK86vMUXhW1Z4glPWh4jozno9APvW/XKFJ3CCxVoC7OL38BqRydtu5nGg=="],
+
     "prettier": ["prettier@3.8.0", "", { "bin": { "prettier": "bin/prettier.cjs" } }, "sha512-yEPsovQfpxYfgWNhCfECjG5AQaO+K3dp6XERmOepyPDVqcJm+bjyCVO3pmU+nAPe0N5dDvekfGezt/EIiRe1TA=="],
 
     "process": ["process@0.11.10", "", {}, "sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A=="],

drizzle.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from 'drizzle-kit'
+import { env } from '@/env'
+
+export default defineConfig({
+  schema: './src/db/schema/index.ts',
+  out: './src/db/migrations',
+  dialect: 'postgresql',
+  dbCredentials: {
+    url: env.DATABASE_URL,
+  },
+})

package.json

@@ -20,6 +20,7 @@
     "dayjs": "^1.11.19",
     "drizzle-orm": "^1.0.0-beta.9-e89174b",
     "drizzle-zod": "^1.0.0-beta.9-e89174b",
+    "postgres": "^3.4.8",
     "react": "^19.2.3",
     "react-dom": "^19.2.3",
     "tailwindcss": "^4.1.18",

src/db/index.ts

@@ -0,0 +1,10 @@
+import { drizzle } from 'drizzle-orm/postgres-js'
+import * as schema from '@/db/schema'
+import { env } from '@/env'
+
+export function createDb() {
+  return drizzle({
+    connection: env.DATABASE_URL,
+    schema,
+  })
+}

src/db/schema/index.ts

@@ -0,0 +1 @@
+export * from './user'

src/db/schema/user.ts

@@ -0,0 +1,7 @@
+import { sql } from 'drizzle-orm'
+import { pgTable, text, uuid } from 'drizzle-orm/pg-core'
+
+export const userTable = pgTable('user', {
+  id: uuid('id').primaryKey().default(sql`uuidv7()`),
+  name: text('name').notNull(),
+})

src/env.ts

@@ -0,0 +1,7 @@
+import { z } from 'zod'
+
+const envSchema = z.object({
+  DATABASE_URL: z.url(),
+})
+
+export const env = envSchema.parse(process.env)