diff --git a/README.en.md b/README.en.md
new file mode 100644
index 0000000..e6d43f2
--- /dev/null
+++ b/README.en.md
@@ -0,0 +1,316 @@
+# Sub2ApiPay
+
+**Language**: [中文](./README.md) | English (current)
+
+Sub2ApiPay is a self-hosted recharge payment gateway built for the [Sub2API](https://sub2api.com) platform. It supports Alipay, WeChat Pay (via EasyPay aggregator), and Stripe. Once a payment is confirmed, the system automatically calls the Sub2API management API to credit the user's balance — no manual intervention required.
+
+---
+
+## Table of Contents
+
+- [Features](#features)
+- [Tech Stack](#tech-stack)
+- [Quick Start](#quick-start)
+- [Environment Variables](#environment-variables)
+- [Deployment](#deployment)
+- [Sub2API Integration](#sub2api-integration)
+- [Admin Panel](#admin-panel)
+- [Payment Flow](#payment-flow)
+- [Development](#development)
+
+---
+
+## Features
+
+- **Multiple Payment Methods** — Alipay, WeChat Pay (EasyPay), Stripe credit card
+- **Auto Balance Credit** — Automatically calls Sub2API after payment verification, fully hands-free
+- **Full Order Lifecycle** — Auto-expiry, user cancellation, admin cancellation, refunds
+- **Limit Controls** — Configurable per-transaction cap and daily cumulative cap per user
+- **Security** — Token auth, MD5/Webhook signature verification, timing-safe comparison, full audit log
+- **Responsive UI** — PC + mobile adaptive layout, dark mode support, iframe embed support
+- **Admin Panel** — Order list (pagination/filtering), order details, retry recharge, refunds
+
+---
+
+## Tech Stack
+
+| Category | Technology |
+|----------|------------|
+| Framework | Next.js 16 (App Router) |
+| Language | TypeScript 5 + React 19 |
+| Styling | TailwindCSS 4 |
+| ORM | Prisma 7 (adapter-pg mode) |
+| Database | PostgreSQL 16 |
+| Container | Docker + Docker Compose |
+| Package Manager | pnpm |
+
+---
+
+## Quick Start
+
+### Using Docker Hub Image (Recommended)
+
+No Node.js or pnpm required on the server — just Docker.
+
+```bash
+mkdir -p /opt/sub2apipay && cd /opt/sub2apipay
+
+# Download Compose file and env template
+curl -O https://raw.githubusercontent.com/touwaeriol/sub2apipay/main/docker-compose.hub.yml
+curl -O https://raw.githubusercontent.com/touwaeriol/sub2apipay/main/.env.example
+cp .env.example .env
+
+# Fill in required environment variables
+nano .env
+
+# Start (includes bundled PostgreSQL)
+docker compose -f docker-compose.hub.yml up -d
+```
+
+### Build from Source
+
+```bash
+git clone https://github.com/touwaeriol/sub2apipay.git
+cd sub2apipay
+cp .env.example .env
+nano .env
+docker compose up -d --build
+```
+
+---
+
+## Environment Variables
+
+See [`.env.example`](./.env.example) for the full template.
+
+### Core (Required)
+
+| Variable | Description |
+|----------|-------------|
+| `SUB2API_BASE_URL` | Sub2API service URL, e.g. `https://sub2api.com` |
+| `SUB2API_ADMIN_API_KEY` | Sub2API admin API key |
+| `ADMIN_TOKEN` | Admin panel access token (use a strong random string) |
+| `NEXT_PUBLIC_APP_URL` | Public URL of this service, e.g. `https://pay.example.com` |
+
+> `DATABASE_URL` is automatically injected by Docker Compose when using the bundled database.
+
+### Payment Methods
+
+Control which payment methods are enabled via `ENABLED_PAYMENT_TYPES` (comma-separated):
+
+```env
+ENABLED_PAYMENT_TYPES=alipay,wxpay,stripe
+```
+
+#### EasyPay (Alipay / WeChat Pay)
+
+| Variable | Description |
+|----------|-------------|
+| `EASY_PAY_PID` | EasyPay merchant ID |
+| `EASY_PAY_PKEY` | EasyPay merchant secret key |
+| `EASY_PAY_API_BASE` | EasyPay API base URL |
+| `EASY_PAY_NOTIFY_URL` | Async callback URL: `${NEXT_PUBLIC_APP_URL}/api/easy-pay/notify` |
+| `EASY_PAY_RETURN_URL` | Redirect URL after payment: `${NEXT_PUBLIC_APP_URL}/pay` |
+| `EASY_PAY_CID_ALIPAY` | Alipay channel ID (optional) |
+| `EASY_PAY_CID_WXPAY` | WeChat Pay channel ID (optional) |
+
+#### Stripe
+
+| Variable | Description |
+|----------|-------------|
+| `STRIPE_SECRET_KEY` | Stripe secret key (`sk_live_...`) |
+| `STRIPE_PUBLISHABLE_KEY` | Stripe publishable key (`pk_live_...`) |
+| `STRIPE_WEBHOOK_SECRET` | Stripe webhook signing secret (`whsec_...`) |
+
+> Stripe webhook endpoint: `${NEXT_PUBLIC_APP_URL}/api/stripe/webhook`
+> Subscribe to: `checkout.session.completed`, `checkout.session.expired`
+
+### Business Rules
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `MIN_RECHARGE_AMOUNT` | Minimum amount per transaction (CNY) | `1` |
+| `MAX_RECHARGE_AMOUNT` | Maximum amount per transaction (CNY) | `1000` |
+| `MAX_DAILY_RECHARGE_AMOUNT` | Daily cumulative max per user (`0` = unlimited) | `10000` |
+| `ORDER_TIMEOUT_MINUTES` | Order expiry in minutes | `5` |
+| `PRODUCT_NAME` | Product name shown on payment page | `Sub2API Balance Recharge` |
+
+### UI Customization (Optional)
+
+| Variable | Description |
+|----------|-------------|
+| `NEXT_PUBLIC_PAY_HELP_IMAGE_URL` | Help image URL (e.g. customer service QR code) |
+| `NEXT_PUBLIC_PAY_HELP_TEXT` | Help text displayed on payment page |
+
+### Docker Compose Variables
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `APP_PORT` | Host port mapping | `3001` |
+| `DB_PASSWORD` | PostgreSQL password (bundled DB) | `password` (**change in production**) |
+
+---
+
+## Deployment
+
+### Option 1: Docker Hub Image + Bundled Database
+
+Use `docker-compose.hub.yml` — the simplest deployment:
+
+```bash
+docker compose -f docker-compose.hub.yml up -d
+```
+
+Image: [`touwaeriol/sub2apipay:latest`](https://hub.docker.com/r/touwaeriol/sub2apipay)
+
+### Option 2: Docker Hub Image + External Database
+
+For existing PostgreSQL instances (shared with other services):
+
+1. Set `DATABASE_URL` in `.env`
+2. Use `docker-compose.app.yml` (app only, no DB):
+
+```bash
+docker compose -f docker-compose.app.yml up -d
+```
+
+### Option 3: Build from Source
+
+For custom builds after modifications:
+
+```bash
+# On the build server
+docker compose build
+docker tag sub2apipay-app:latest touwaeriol/sub2apipay:latest
+docker push touwaeriol/sub2apipay:latest
+
+# On the deploy server
+docker compose -f docker-compose.hub.yml pull
+docker compose -f docker-compose.hub.yml up -d
+```
+
+### Reverse Proxy
+
+The default host port is `3001` (configurable via `APP_PORT`). Use Nginx or Caddy as a reverse proxy with HTTPS:
+
+```nginx
+server {
+    listen 443 ssl;
+    server_name pay.example.com;
+
+    location / {
+        proxy_pass http://127.0.0.1:3001;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}
+```
+
+### Database Migrations
+
+Migrations run automatically on container startup via `prisma migrate deploy`. To run manually:
+
+```bash
+docker compose exec app npx prisma migrate deploy
+```
+
+---
+
+## Sub2API Integration
+
+Configure the recharge URL in the Sub2API admin panel:
+
+```
+https://pay.example.com/pay?user_id={USER_ID}&token={TOKEN}&theme={THEME}
+```
+
+| Parameter | Description |
+|-----------|-------------|
+| `user_id` | Sub2API user ID (required) |
+| `token` | User login token (optional — required to view order history) |
+| `theme` | `light` (default) or `dark` |
+| `ui_mode` | `standalone` (default) or `embedded` (for iframe) |
+
+---
+
+## Admin Panel
+
+Access: `https://pay.example.com/admin?token=YOUR_ADMIN_TOKEN`
+
+| Feature | Description |
+|---------|-------------|
+| Order List | Filter by status, paginate, choose 20/50/100 per page |
+| Order Detail | View all fields and audit log timeline |
+| Retry Recharge | Re-trigger recharge for paid-but-failed orders |
+| Cancel Order | Force-cancel pending orders |
+| Refund | Issue refund and deduct Sub2API balance |
+
+---
+
+## Payment Flow
+
+```
+User submits recharge amount
+         │
+         ▼
+  Create Order (PENDING)
+  ├─ Validate user status / pending order count / daily limit
+  └─ Call payment provider to get payment link
+         │
+         ▼
+  User completes payment
+  ├─ EasyPay → QR code / H5 redirect
+  └─ Stripe  → Checkout Session
+         │
+         ▼
+  Payment callback (signature verified) → Order PAID
+         │
+         ▼
+  Auto-call Sub2API recharge API
+  ├─ Success → COMPLETED, balance credited automatically
+  └─ Failure → FAILED (admin can retry)
+```
+
+---
+
+## Development
+
+### Requirements
+
+- Node.js 22+
+- pnpm
+- PostgreSQL 16+
+
+### Local Setup
+
+```bash
+pnpm install
+cp .env.example .env
+# Edit .env with DATABASE_URL and other required values
+pnpm prisma migrate dev
+pnpm dev
+```
+
+### Commands
+
+```bash
+pnpm dev                      # Dev server with hot reload
+pnpm build                    # Production build
+pnpm test                     # Run tests
+pnpm typecheck                # TypeScript type check
+pnpm lint                     # ESLint
+pnpm format                   # Prettier format
+
+pnpm prisma generate          # Generate Prisma client
+pnpm prisma migrate dev       # Create and apply migration (dev)
+pnpm prisma migrate deploy    # Apply migrations (production)
+pnpm prisma studio            # Visual database browser
+```
+
+---
+
+## License
+
+MIT
diff --git a/README.md b/README.md
index e215bc4..9ff8118 100644
--- a/README.md
+++ b/README.md
@@ -1,36 +1,316 @@
-This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app).
+# Sub2ApiPay
 
-## Getting Started
+**语言 / Language**: 中文（当前）｜ [English](./README.en.md)
 
-First, run the development server:
+Sub2ApiPay 是为 [Sub2API](https://sub2api.com) 平台构建的自托管充值支付网关。支持支付宝、微信支付（通过 EasyPay 聚合）和 Stripe，订单支付成功后自动调用 Sub2API 管理接口完成余额到账，无需人工干预。
+
+---
+
+## 目录
+
+- [功能特性](#功能特性)
+- [技术栈](#技术栈)
+- [快速开始](#快速开始)
+- [环境变量](#环境变量)
+- [部署指南](#部署指南)
+- [集成到 Sub2API](#集成到-sub2api)
+- [管理后台](#管理后台)
+- [支付流程](#支付流程)
+- [开发指南](#开发指南)
+
+---
+
+## 功能特性
+
+- **多支付方式** — 支付宝、微信支付（EasyPay 聚合）、Stripe 信用卡
+- **自动到账** — 支付回调验签后自动调用 Sub2API 充值接口，全程无需人工
+- **订单全生命周期** — 超时自动取消、用户主动取消、管理员取消、退款
+- **限额控制** — 可配置单笔上限与每日累计上限，按用户维度统计
+- **安全设计** — Token 鉴权、MD5/Webhook 签名验证、时序安全对比、完整审计日志
+- **响应式 UI** — PC + 移动端自适应，支持深色模式，支持 iframe 嵌入
+- **管理后台** — 订单列表（分页/筛选）、订单详情、重试充值、退款
+
+---
+
+## 技术栈
+
+| 类别 | 技术 |
+|------|------|
+| 框架 | Next.js 16 (App Router) |
+| 语言 | TypeScript 5 + React 19 |
+| 样式 | TailwindCSS 4 |
+| ORM | Prisma 7（adapter-pg 模式） |
+| 数据库 | PostgreSQL 16 |
+| 容器 | Docker + Docker Compose |
+| 包管理 | pnpm |
+
+---
+
+## 快速开始
+
+### 使用 Docker Hub 镜像（推荐）
+
+无需本地安装 Node.js 或 pnpm，服务器上只需 Docker。
 
 ```bash
-npm run dev
-# or
-yarn dev
-# or
-pnpm dev
-# or
-bun dev
+mkdir -p /opt/sub2apipay && cd /opt/sub2apipay
+
+# 下载 Compose 文件和环境变量模板
+curl -O https://raw.githubusercontent.com/touwaeriol/sub2apipay/main/docker-compose.hub.yml
+curl -O https://raw.githubusercontent.com/touwaeriol/sub2apipay/main/.env.example
+cp .env.example .env
+
+# 填写必填环境变量
+nano .env
+
+# 启动（含自带 PostgreSQL）
+docker compose -f docker-compose.hub.yml up -d
 ```
 
-Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
+### 从源码构建
 
-You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
+```bash
+git clone https://github.com/touwaeriol/sub2apipay.git
+cd sub2apipay
+cp .env.example .env
+nano .env
+docker compose up -d --build
+```
 
-This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
+---
 
-## Learn More
+## 环境变量
 
-To learn more about Next.js, take a look at the following resources:
+完整模板见 [`.env.example`](./.env.example)。
 
-- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
-- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
+### 核心（必填）
 
-You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
+| 变量 | 说明 |
+|------|------|
+| `SUB2API_BASE_URL` | Sub2API 服务地址，如 `https://sub2api.com` |
+| `SUB2API_ADMIN_API_KEY` | Sub2API 管理 API 密钥 |
+| `ADMIN_TOKEN` | 管理后台访问令牌（自定义强密码） |
+| `NEXT_PUBLIC_APP_URL` | 本服务的公网地址，如 `https://pay.example.com` |
 
-## Deploy on Vercel
+> `DATABASE_URL` 使用自带数据库时由 Compose 自动注入，无需手动填写。
 
-The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
+### 支付方式
 
-Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.
+通过 `ENABLED_PAYMENT_TYPES` 控制开启哪些支付方式（逗号分隔）：
+
+```env
+ENABLED_PAYMENT_TYPES=alipay,wxpay,stripe
+```
+
+#### EasyPay（支付宝 / 微信支付）
+
+| 变量 | 说明 |
+|------|------|
+| `EASY_PAY_PID` | EasyPay 商户 ID |
+| `EASY_PAY_PKEY` | EasyPay 商户密钥 |
+| `EASY_PAY_API_BASE` | EasyPay API 地址 |
+| `EASY_PAY_NOTIFY_URL` | 异步回调地址，填 `${NEXT_PUBLIC_APP_URL}/api/easy-pay/notify` |
+| `EASY_PAY_RETURN_URL` | 支付完成跳转地址，填 `${NEXT_PUBLIC_APP_URL}/pay` |
+| `EASY_PAY_CID_ALIPAY` | 支付宝通道 ID（可选） |
+| `EASY_PAY_CID_WXPAY` | 微信支付通道 ID（可选） |
+
+#### Stripe
+
+| 变量 | 说明 |
+|------|------|
+| `STRIPE_SECRET_KEY` | Stripe 密钥（`sk_live_...`） |
+| `STRIPE_PUBLISHABLE_KEY` | Stripe 可公开密钥（`pk_live_...`） |
+| `STRIPE_WEBHOOK_SECRET` | Stripe Webhook 签名密钥（`whsec_...`） |
+
+> Stripe Webhook 端点：`${NEXT_PUBLIC_APP_URL}/api/stripe/webhook`
+> 需订阅事件：`checkout.session.completed`、`checkout.session.expired`
+
+### 业务规则
+
+| 变量 | 说明 | 默认值 |
+|------|------|--------|
+| `MIN_RECHARGE_AMOUNT` | 单笔最低充值金额（元） | `1` |
+| `MAX_RECHARGE_AMOUNT` | 单笔最高充值金额（元） | `1000` |
+| `MAX_DAILY_RECHARGE_AMOUNT` | 每日累计最高充值（元，`0` = 不限） | `10000` |
+| `ORDER_TIMEOUT_MINUTES` | 订单超时分钟数 | `5` |
+| `PRODUCT_NAME` | 充值商品名称（显示在支付页） | `Sub2API Balance Recharge` |
+
+### UI 定制（可选）
+
+| 变量 | 说明 |
+|------|------|
+| `NEXT_PUBLIC_PAY_HELP_IMAGE_URL` | 帮助图片 URL（如客服二维码） |
+| `NEXT_PUBLIC_PAY_HELP_TEXT` | 帮助说明文字 |
+
+### Docker Compose 专用
+
+| 变量 | 说明 | 默认值 |
+|------|------|--------|
+| `APP_PORT` | 宿主机映射端口 | `3001` |
+| `DB_PASSWORD` | PostgreSQL 密码（使用自带数据库时） | `password`（**生产请修改**） |
+
+---
+
+## 部署指南
+
+### 方案一：Docker Hub 镜像 + 自带数据库
+
+使用 `docker-compose.hub.yml`，最省事的部署方式：
+
+```bash
+docker compose -f docker-compose.hub.yml up -d
+```
+
+镜像：[`touwaeriol/sub2apipay:latest`](https://hub.docker.com/r/touwaeriol/sub2apipay)
+
+### 方案二：Docker Hub 镜像 + 外部数据库
+
+适用于已有 PostgreSQL 实例（如与其他服务共用）：
+
+1. 在 `.env` 中填写 `DATABASE_URL`
+2. 使用 `docker-compose.app.yml`（仅启动应用，不含 DB）：
+
+```bash
+docker compose -f docker-compose.app.yml up -d
+```
+
+### 方案三：从源码构建
+
+适用于自定义修改后自行构建：
+
+```bash
+# 在构建服务器上
+docker compose build
+docker tag sub2apipay-app:latest touwaeriol/sub2apipay:latest
+docker push touwaeriol/sub2apipay:latest
+
+# 在部署服务器上
+docker compose -f docker-compose.hub.yml pull
+docker compose -f docker-compose.hub.yml up -d
+```
+
+### 端口与反向代理
+
+默认宿主机端口为 `3001`（可通过 `APP_PORT` 修改）。建议使用 Nginx/Caddy 作反向代理并配置 HTTPS：
+
+```nginx
+server {
+    listen 443 ssl;
+    server_name pay.example.com;
+
+    location / {
+        proxy_pass http://127.0.0.1:3001;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}
+```
+
+### 数据库迁移
+
+容器启动时自动执行 `prisma migrate deploy`，无需手动操作。如需手动执行：
+
+```bash
+docker compose exec app npx prisma migrate deploy
+```
+
+---
+
+## 集成到 Sub2API
+
+在 Sub2API 管理后台将充值链接配置为：
+
+```
+https://pay.example.com/pay?user_id={USER_ID}&token={TOKEN}&theme={THEME}
+```
+
+| 参数 | 说明 |
+|------|------|
+| `user_id` | Sub2API 用户 ID（必填） |
+| `token` | 用户登录 Token（可选，有 token 才能查看订单历史） |
+| `theme` | `light`（默认）或 `dark` |
+| `ui_mode` | `standalone`（默认）或 `embedded`（iframe 嵌入） |
+
+---
+
+## 管理后台
+
+访问：`https://pay.example.com/admin?token=YOUR_ADMIN_TOKEN`
+
+| 功能 | 说明 |
+|------|------|
+| 订单列表 | 按状态筛选、分页浏览，支持每页 20/50/100 条 |
+| 订单详情 | 查看完整字段与操作审计日志 |
+| 重试充值 | 对已支付但充值失败的订单重新发起充值 |
+| 取消订单 | 强制取消待支付订单 |
+| 退款 | 对已完成订单发起退款并扣减 Sub2API 余额 |
+
+---
+
+## 支付流程
+
+```
+用户提交充值金额
+       │
+       ▼
+  创建订单 (PENDING)
+  ├─ 校验用户状态 / 待支付订单数 / 每日限额
+  └─ 调用支付提供商获取支付链接
+       │
+       ▼
+  用户完成支付
+  ├─ EasyPay → 扫码 / H5 跳转
+  └─ Stripe  → Checkout Session
+       │
+       ▼
+  支付回调（签名验证）→ 订单 PAID
+       │
+       ▼
+  自动调用 Sub2API 充值接口
+  ├─ 成功 → COMPLETED，余额自动到账
+  └─ 失败 → FAILED（管理员可重试）
+```
+
+---
+
+## 开发指南
+
+### 环境要求
+
+- Node.js 22+
+- pnpm
+- PostgreSQL 16+
+
+### 本地启动
+
+```bash
+pnpm install
+cp .env.example .env
+# 编辑 .env，填写 DATABASE_URL 和其他必填项
+pnpm prisma migrate dev
+pnpm dev
+```
+
+### 常用命令
+
+```bash
+pnpm dev                      # 开发服务器（热重载）
+pnpm build                    # 生产构建
+pnpm test                     # 运行测试
+pnpm typecheck                # TypeScript 类型检查
+pnpm lint                     # ESLint 代码检查
+pnpm format                   # Prettier 格式化
+
+pnpm prisma generate          # 生成 Prisma 客户端
+pnpm prisma migrate dev       # 创建迁移（开发）
+pnpm prisma migrate deploy    # 应用迁移（生产）
+pnpm prisma studio            # 可视化数据库管理
+```
+
+---
+
+## License
+
+MIT
diff --git a/docker-compose.app.yml b/docker-compose.app.yml
new file mode 100644
index 0000000..9858a6f
--- /dev/null
+++ b/docker-compose.app.yml
@@ -0,0 +1,14 @@
+# docker-compose.app.yml
+# 使用 Docker Hub 镜像部署（仅应用，外部数据库）
+# 适合：已有 PostgreSQL 实例，将 DATABASE_URL 填入 .env
+#
+# 启动：docker compose -f docker-compose.app.yml up -d
+# 更新：docker compose -f docker-compose.app.yml pull && docker compose -f docker-compose.app.yml up -d
+
+services:
+  app:
+    image: touwaeriol/sub2apipay:latest
+    ports:
+      - '${APP_PORT:-3001}:3000'
+    env_file: .env
+    restart: unless-stopped
diff --git a/docker-compose.hub.yml b/docker-compose.hub.yml
new file mode 100644
index 0000000..61f5e16
--- /dev/null
+++ b/docker-compose.hub.yml
@@ -0,0 +1,37 @@
+# docker-compose.hub.yml
+# 使用 Docker Hub 镜像部署（含自带 PostgreSQL）
+# 适合：全新服务器，无现有数据库
+#
+# 启动：docker compose -f docker-compose.hub.yml up -d
+# 更新：docker compose -f docker-compose.hub.yml pull && docker compose -f docker-compose.hub.yml up -d
+
+services:
+  app:
+    image: touwaeriol/sub2apipay:latest
+    ports:
+      - '${APP_PORT:-3001}:3000'
+    env_file: .env
+    environment:
+      - DATABASE_URL=postgresql://sub2apipay:${DB_PASSWORD:-password}@db:5432/sub2apipay
+    depends_on:
+      db:
+        condition: service_healthy
+    restart: unless-stopped
+
+  db:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_USER: sub2apipay
+      POSTGRES_PASSWORD: ${DB_PASSWORD:-password}
+      POSTGRES_DB: sub2apipay
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ['CMD-SHELL', 'pg_isready -U sub2apipay']
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    restart: unless-stopped
+
+volumes:
+  pgdata: