Add Phase 1 infrastructure setup and implementation plan
- infrastructure-setup.md: MinIO bucket, access key, PostgreSQL database/user/table deployment guide - implementation-plan.md: backend (FastAPI) and Android (Flutter) implementation roadmap - .gitignore: exclude credential YAML files (connections-remote.yaml, connections-local.yaml) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Misaka_Company
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docs/infrastructure-setup.md
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# SnapLedger 基础设施实施文档
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> **目标服务器:** `Remote_MisakaServer`
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> **日期:** 2026-05-21
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> **对应 PRD:** Phase 1 - 数据通道基建
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## 1. 服务器现有环境
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### 1.1 MinIO (systemd 服务)
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| 项目 | 值 |
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|---|---|
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| 部署方式 | systemd 原生服务 |
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| 二进制路径 | `/usr/local/bin/minio` |
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| API 端口 | `9002` |
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| Console 端口 | `9001` |
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| 数据目录 | `/mnt/disk1` |
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| 管理账号 | `myminioadmin` / `myminioadmin` |
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| mc 客户端 | 已安装，本地 alias `mylocal` → `localhost:9002` |
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### 1.2 PostgreSQL (systemd 服务)
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| 项目 | 值 |
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|---|---|
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| 部署方式 | systemd 原生服务 |
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| 版本 | PostgreSQL 18.3 (Ubuntu 18.3-1.pgdg22.04+1) |
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| 二进制路径 | `/usr/lib/postgresql/18/bin/postgres` |
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| 端口 | `5432` |
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| 数据目录 | `/var/lib/postgresql/18/main` |
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| 配置文件 | `/etc/postgresql/18/main/postgresql.conf` |
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| 认证方式 | 本地 peer / 远程 scram-sha-256 |
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| 管理账号 | `postgres` (系统用户，通过 `sudo -u postgres psql` 访问) |
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| 现有数据库 | CompanyDB, ai_image_vault, postgres |
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| 现有角色 | admin, companydb_user, img_vault, mcp_user, postgres |
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---
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## 2. 实施计划
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### Step 1: MinIO - 创建 Bucket
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- **操作:** 使用 `mc` 创建名为 `snapledger` 的存储桶
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- **用途:** 存储用户上传的支付截图
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- **策略:** 限制 Bucket 仅允许应用访问，不公开
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### Step 2: MinIO - 创建 Access Key
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- **操作:** 使用 `mc admin user add` 创建专用访问密钥
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- **用途:** 后端 FastAPI 服务使用此密钥上传/读取图片
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- **权限:** 仅对 `snapledger` 桶有读写权限
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### Step 3: PostgreSQL - 创建数据库与用户
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- **操作:** 创建 `snapledger` 数据库和专用用户 `snapledger_user`
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- **权限:** 该用户仅拥有 `snapledger` 数据库的完整权限
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### Step 4: PostgreSQL - 创建基础表
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- **操作:** 根据 PRD 数据模型创建 `transactions` 表
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- **内容:** 包含原始数据层、核心业务层、审计运维层全部字段
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---
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## 3. 详细操作命令
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### 3.1 MinIO - 创建 Bucket
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```bash
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# 在服务器上执行
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mc mb mylocal/snapledger
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```
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### 3.2 MinIO - 创建 Access Key 并授权
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```bash
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# 创建策略文件，限制仅访问 snapledger 桶
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cat > /tmp/snapledger-policy.json << 'EOF'
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Action": [
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"s3:PutObject",
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"s3:GetObject",
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"s3:DeleteObject",
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"s3:ListBucket"
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],
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"Resource": [
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"arn:aws:s3:::snapledger",
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"arn:aws:s3:::snapledger/*"
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]
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}
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]
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}
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EOF
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# 创建策略
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mc admin policy create mylocal snapledger-policy /tmp/snapledger-policy.json
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# 创建服务账号 (Access Key / Secret Key 由 mc 自动生成)
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mc admin user svcacct add mylocal myminioadmin --description 'SnapLedger app service account'
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# 将策略绑定到新生成的服务账号 (使用上一步输出的 Access Key)
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mc admin policy attach mylocal snapledger-policy --user <生成的AccessKey>
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```
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### 3.3 PostgreSQL - 创建数据库与用户
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```bash
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# 在服务器上通过 postgres 系统用户执行
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# 先生成随机密码
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PG_PASS=$(openssl rand -base64 24)
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sudo -u postgres psql
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# SQL 语句
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CREATE USER snapledger_user WITH PASSWORD '${PG_PASS}';
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CREATE DATABASE snapledger OWNER snapledger_user;
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GRANT ALL PRIVILEGES ON DATABASE snapledger TO snapledger_user;
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```
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### 3.4 PostgreSQL - 创建基础表
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```bash
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# 连接到 snapledger 数据库
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sudo -u postgres psql -d snapledger
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```
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```sql
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-- 授予 schema 权限
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GRANT ALL ON SCHEMA public TO snapledger_user;
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-- 创建 transactions 表
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CREATE TABLE IF NOT EXISTS transactions (
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-- 原始数据层
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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image_object_key VARCHAR NOT NULL,
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original_filename VARCHAR,
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user_note TEXT,
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upload_time TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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process_status VARCHAR(20) NOT NULL DEFAULT 'PENDING'
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CHECK (process_status IN ('PENDING','PROCESSING','COMPLETED','FAILED')),
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-- 核心业务层 (AI 填充)
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transaction_type VARCHAR(20) CHECK (transaction_type IN ('EXPENSE','INCOME','TRANSFER')),
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amount DECIMAL(10,2),
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merchant_name VARCHAR,
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source_app VARCHAR,
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transaction_date TIMESTAMPTZ,
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category VARCHAR,
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order_number VARCHAR,
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-- 审计运维层
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llm_raw_response JSONB,
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-- 索引与约束
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- 创建索引
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CREATE INDEX idx_transactions_process_status ON transactions (process_status);
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CREATE INDEX idx_transactions_upload_time ON transactions (upload_time DESC);
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CREATE INDEX idx_transactions_source_app ON transactions (source_app);
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CREATE INDEX idx_transactions_order_number ON transactions (order_number) WHERE order_number IS NOT NULL;
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-- 授权
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GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO snapledger_user;
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GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO snapledger_user;
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```
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---
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## 4. 预期产出
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完成以上步骤后，将产出以下资源：
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### MinIO
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| 资源 | 名称 | 说明 |
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| Bucket | `snapledger` | 存储支付截图 |
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| Access Key | 服务账号，Access Key / Secret Key 自动生成 | 后端服务专用 |
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| Policy | `snapledger-policy` | 仅限 `snapledger` 桶读写 |
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### PostgreSQL
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| 资源 | 名称 | 说明 |
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| Database | `snapledger` | 应用主数据库 |
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| User | `snapledger_user` | 应用专用账号 |
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| Table | `transactions` | 交易记录核心表 |
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| Indexes | 4 个 | 加速状态查询、时间排序、来源筛选、订单去重 |
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### 连接信息
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详见 `docs/connections.yaml`（已加入 `.gitignore`，不会提交到仓库）。
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---
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## 5. 验证步骤
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1. **MinIO Bucket:** `mc ls mylocal/snapledger` 确认桶存在
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2. **MinIO Access Key:** 使用新密钥配置 mc alias 并上传测试文件
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3. **PostgreSQL 连接:** `sudo -u postgres psql -d snapledger -c "\dt"` 确认表已创建
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4. **表结构验证:** `\d transactions` 确认字段与索引完整
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