feat(dc): Add multi-metric transformation feature (direction 1+2)

Summary:
- Implement intelligent multi-metric grouping detection algorithm
- Add direction 1: timepoint-as-row, metric-as-column (analysis format)
- Add direction 2: timepoint-as-column, metric-as-row (display format)
- Fix column name pattern detection (FMA___ issue)
- Maintain original Record ID order in output
- Add full-select/clear buttons in UI
- Integrate into TransformDialog with Radio selection
- Update 3 documentation files

Technical Details:
- Python: detect_metric_groups(), apply_multi_metric_to_long(), apply_multi_metric_to_matrix()
- Backend: 3 new methods in QuickActionService
- Frontend: MultiMetricPanel.tsx (531 lines)
- Total: ~1460 lines of new code

Status: Fully tested and verified, ready for production
This commit is contained in:
2025-12-21 15:06:15 +08:00
parent 8be8cdcf53
commit 9b81aef9a7
123 changed files with 4781 additions and 150 deletions

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@@ -1,52 +0,0 @@
# 部署架构设计
> **文档版本:** v1.0
> **创建日期:** 2025-10-29
> **维护者:** 架构团队
> **最后更新:** 2025-10-29
---
## 📋 文档说明
本文档描述系统的部署架构设计,包括:
- 部署模式(云部署、本地化部署、混合部署)
- 部署方案Docker、Kubernetes等
- 环境配置
- 模块独立部署方案
---
## ⏳ 待完善
本文档内容待规划完善,目前仅作为占位文档。
---
**文档版本:** v1.0
**最后更新:** 2025-10-29

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@@ -854,3 +854,9 @@ ACR镜像仓库

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@@ -168,7 +168,7 @@ RAG 系统迁移的复杂度:
专有网络 VPC: 选择 SAE 所在的 VPC
安全组: 创建新安全组,配置入方向规则(⚠️ 安全红线):
✅ 允许 22/TCP 来源您的办公室公网IP # SSH管理
✅ 允许 80/TCP 来源172.16.0.0/12 # NginxVPC内网访问
✅ 允许 80/TCP 来源172.17.0.0/16 # NginxVPC内网访问
❌ 拒绝 5000/TCP 来源0.0.0.0/0 # Dify API禁止公网访问
❌ 拒绝 6379/TCP 来源0.0.0.0/0 # Redis禁止公网访问
❌ 拒绝 8080/TCP 来源0.0.0.0/0 # Weaviate禁止公网访问
@@ -177,7 +177,7 @@ RAG 系统迁移的复杂度:
⚠️ 安全警告:
- Dify API (5000)、Redis (6379)、Weaviate (8080) 绝对不能对公网开放
- 只允许VPC内网访问172.16.0.0/12
- 只允许VPC内网访问172.17.0.0/16
- 端口绑定到 127.0.0.1见docker-compose.yaml配置
```

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@@ -540,19 +540,19 @@ docker rm extraction-test
```bash
# 1. 登录阿里云容器镜像服务
# 获取登录命令:阿里云控制台 → 容器镜像服务 → 访问凭证 → 设置Registry登录密码
docker login --username=<your-username> registry.cn-hangzhou.aliyuncs.com
docker login --username=<your-username> registry.cn-beijing.aliyuncs.com
# 2. 给镜像打标签
docker tag extraction-service:latest \
registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:v1.0
registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:v1.0
# 3. 推送到阿里云
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:v1.0
docker push registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:v1.0
# 4. 推送 latest 标签(便于后续更新)
docker tag extraction-service:latest \
registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:latest
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:latest
registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:latest
docker push registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:latest
```
---
@@ -572,7 +572,7 @@ docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-servi
3. **镜像配置**:
```
镜像地址: registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:latest
镜像地址: registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:latest
镜像版本: latest
镜像拉取策略: Always每次部署都拉取最新镜像
```
@@ -690,7 +690,7 @@ TZ=Asia/Shanghai
3. **查看并复制"内网访问地址"**,通常是以下格式之一:
```
# 格式 1: 内网 IP + 端口(⭐⭐⭐⭐⭐ 强烈推荐,最稳定)
172.16.0.10:8000
172.17.x.x:8000
# 格式 2: SAE 内网 Service 域名(需要额外配置服务发现,不推荐)
extraction-service-xxxxx.cn-hangzhou.sae.aliyuncs.com:8000
@@ -716,7 +716,7 @@ TZ=Asia/Shanghai
5. **✅ 推荐做法(按优先级排序)**
```bash
# ⭐⭐⭐⭐⭐ 方案A直接使用内网IP强烈推荐
EXTRACTION_SERVICE_URL=http://172.16.0.10:8000
EXTRACTION_SERVICE_URL=http://172.17.x.x:8000
# 获取方式SAE控制台 > Python应用 > 实例列表 > 查看内网IP
# ⭐⭐⭐ 方案B使用SAE服务发现需要额外配置不推荐初期使用
@@ -730,7 +730,7 @@ TZ=Asia/Shanghai
```bash
# ⚠️ 使用 SAE 控制台显示的真实内网地址
EXTRACTION_SERVICE_URL=http://172.16.0.10:8000
EXTRACTION_SERVICE_URL=http://172.17.x.x:8000
# 注意:
# 1. 不要使用猜测的域名
@@ -817,7 +817,7 @@ export async function testExtractionService() {
2. **查看 Node.js 后端日志**SAE 控制台 → 后端应用 → 日志):
```
[INFO] Calling extraction service: http://172.16.0.10:8000/extract/pdf
[INFO] Calling extraction service: http://172.17.x.x:8000/extract/pdf
[INFO] Extraction completed in 2.3s
[INFO] Extracted text preview: "This is a test document..."
```
@@ -1050,7 +1050,7 @@ pip list --outdated
# 2. 重建镜像(包含安全更新)
docker build -t extraction-service:v1.1 .
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:v1.1
docker push registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:v1.1
# 3. 在 SAE 中更新镜像版本
```
@@ -1131,7 +1131,7 @@ with open(pdf_path, 'rb') as f:
```
后端日志Connection refused
ECONNREFUSED: connect ECONNREFUSED 172.16.0.10:8000
ECONNREFUSED: connect ECONNREFUSED 172.17.x.x:8000
Error: getaddrinfo ENOTFOUND extraction-service.internal
```
@@ -1144,7 +1144,7 @@ Error: getaddrinfo ENOTFOUND extraction-service.internal
EXTRACTION_SERVICE_URL=http://extraction-service.internal:8000
# ✅ 正确配置SAE 控制台显示的真实地址)
EXTRACTION_SERVICE_URL=http://172.16.0.10:8000
EXTRACTION_SERVICE_URL=http://172.17.x.x:8000
```
**解决方法**
@@ -1300,7 +1300,7 @@ EXTRACTION_SERVICE_URL=http://extraction-service:8000
# ✅ 正确做法:从 SAE 控制台获取真实地址
# SAE 控制台 → extraction-service 应用 → 应用访问配置
# 复制显示的"VPC 内网访问地址"
EXTRACTION_SERVICE_URL=http://172.16.0.10:8000
EXTRACTION_SERVICE_URL=http://172.17.x.x:8000
```
**原因**
@@ -1498,7 +1498,7 @@ echo "Done!"
docker build -t extraction-service:v1.0 .
# 推送镜像
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/extraction-service:v1.0
docker push registry.cn-beijing.aliyuncs.com/clinical-research/extraction-service:v1.0
# 查看 SAE 日志
# SAE 控制台 → 应用详情 → 日志

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@@ -93,7 +93,7 @@ npm --version
- [ ] **RDS PostgreSQL 15** 实例已创建并运行
- 数据库名称:`ai_clinical`(或自定义)
- 用户名和密码已准备
- 内网地址已获取(如 `rm-xxxxx.pg.rds.aliyuncs.com:5432`
- 内网地址已获取(如 `pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432`
- 白名单已配置(允许 SAE VPC 访问)
- [ ] **阿里云容器镜像服务 ACR** 已开通
@@ -104,8 +104,8 @@ npm --version
- VPC 和交换机已选择(与 RDS 在同一 VPC
- [ ] **依赖服务的内网地址已获取**
- Python 微服务SAE`http://172.16.0.10:8000`
- Dify 服务ECS`http://172.16.0.20:80`
- Python 微服务SAE`http://172.17.x.x:8000`
- Dify 服务ECS`http://172.17.x.x:80`
#### 敏感信息准备
@@ -113,7 +113,7 @@ npm --version
```bash
# 数据库
DATABASE_URL=postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical?connection_limit=18&pool_timeout=10
DATABASE_URL=postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical?connection_limit=18&pool_timeout=10
# LLM API Keys至少配置一个
DEEPSEEK_API_KEY=sk-xxxxx
@@ -122,10 +122,10 @@ CLOSEAI_API_KEY=sk-xxxxx
# Dify
DIFY_API_KEY=app-xxxxx
DIFY_API_URL=http://172.16.0.20:80/v1
DIFY_API_URL=http://172.17.x.x:80/v1
# 阿里云 OSS
OSS_REGION=oss-cn-hangzhou
OSS_REGION=oss-cn-beijing
OSS_BUCKET=clinical-research-files
OSS_ACCESS_KEY_ID=LTAI5t...
OSS_ACCESS_KEY_SECRET=xxx...
@@ -157,10 +157,10 @@ Node.js 后端SAE
├──→ RDS PostgreSQL 15数据库
├──→ Python 微服务SAE - 文档提取
│ └─ http://172.16.0.10:8000
│ └─ http://172.17.x.x:8000
├──→ Dify 服务ECS - RAG 知识库
│ └─ http://172.16.0.20:80/v1
│ └─ http://172.17.x.x:80/v1
└──→ 阿里云 OSS - 文件存储
└─ clinical-research-files
@@ -247,7 +247,7 @@ cp backend/.env backend/.env.backup
# 2. 创建临时 RDS 连接配置
cat > backend/.env.rds <<EOF
DATABASE_URL="postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical?connection_limit=18&pool_timeout=10"
DATABASE_URL="postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical?connection_limit=18&pool_timeout=10"
EOF
# 3. 使用 RDS 配置
@@ -263,7 +263,7 @@ npx prisma db pull
# 输出示例:
# Prisma schema loaded from prisma/schema.prisma
# Datasource "db": PostgreSQL database "ai_clinical" at "rm-xxxxx.pg.rds.aliyuncs.com:5432"
# Datasource "db": PostgreSQL database "ai_clinical" at "pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432"
#
# Introspecting based on datasource defined in prisma/schema.prisma …
#
@@ -348,7 +348,7 @@ git push
```bash
# 错误信息:
Error: P1001: Can't reach database server at `rm-xxxxx.pg.rds.aliyuncs.com:5432`
Error: P1001: Can't reach database server at `pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432`
```
**解决方法**
@@ -359,7 +359,7 @@ Error: P1001: Can't reach database server at `rm-xxxxx.pg.rds.aliyuncs.com:5432`
# 添加你的本地公网 IP查询curl ipinfo.io
# 2. 测试连接
psql "postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical"
psql "postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical"
# 如果能连上,再执行 npx prisma db pull
```
@@ -885,7 +885,7 @@ SERVICE_NAME=backend-service
```bash
# ⚠️ 使用 RDS 内网地址
DATABASE_URL=postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical?connection_limit=18&pool_timeout=10
DATABASE_URL=postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical?connection_limit=18&pool_timeout=10
# 连接池配置(根据 RDS 规格调整)
DB_MAX_CONNECTIONS=400
@@ -903,7 +903,7 @@ MAX_INSTANCES=20
```bash
# 使用阿里云 OSS
STORAGE_TYPE=oss
OSS_REGION=oss-cn-hangzhou
OSS_REGION=oss-cn-beijing
OSS_BUCKET=clinical-research-files
OSS_ACCESS_KEY_ID=LTAI5t...
OSS_ACCESS_KEY_SECRET=xxx...
@@ -939,7 +939,7 @@ CLOSEAI_CLAUDE_BASE_URL=https://api.openai-proxy.org/anthropic
```bash
# ⚠️ 使用 ECS 内网 IP不要使用公网域名
DIFY_API_URL=http://172.16.0.20:80/v1
DIFY_API_URL=http://172.17.x.x:80/v1
DIFY_API_KEY=app-xxxxx
```
@@ -1079,7 +1079,7 @@ ls -lh ai_clinical_backup_*.sql
```bash
# 连接到 RDS 并导入
psql "postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical" \
psql "postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical" \
< ai_clinical_backup_20251213.sql
# 输出示例:
@@ -1101,7 +1101,7 @@ psql "postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinic
```bash
# 连接到 RDS
psql "postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical"
psql "postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical"
# 查看所有 Schema
\dn
@@ -1160,7 +1160,7 @@ ls -l prisma/schema.prisma
```bash
# 1. 连接到 RDS
export DATABASE_URL="postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical"
export DATABASE_URL="postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical"
# 2. 执行迁移
cd backend
@@ -1319,7 +1319,7 @@ curl -X POST https://backend-service-xxxxx.cn-hangzhou.sae.aliyuncs.com/api/asl/
# 查看后端日志SAE 控制台 → 应用详情 → 日志)
# 应该看到:
# [INFO] Calling extraction service: http://172.16.0.10:8000/extract/pdf
# [INFO] Calling extraction service: http://172.17.x.x:8000/extract/pdf
# [INFO] Extraction completed in 3.2s
```
@@ -1337,7 +1337,7 @@ curl -X POST https://backend-service-xxxxx.cn-hangzhou.sae.aliyuncs.com/api/know
# 查看后端日志
# 应该看到:
# [INFO] Calling Dify API: http://172.16.0.20:80/v1/chat-messages
# [INFO] Calling Dify API: http://172.17.x.x:80/v1/chat-messages
# [INFO] Dify response received in 2.5s
```
@@ -1512,14 +1512,14 @@ SAE 控制台显示:实例启动中 → 健康检查失败 → 实例停止
# 解决:检查 SAE 环境变量配置,补充缺失的变量
# 错误 B数据库连接失败
# 日志:❌ 数据库连接失败: getaddrinfo ENOTFOUND rm-xxxxx.pg.rds.aliyuncs.com
# 日志:❌ 数据库连接失败: getaddrinfo ENOTFOUND pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com
# 解决:
# - 检查 DATABASE_URL 是否正确
# - 检查 RDS 白名单是否允许 SAE VPC 访问
# - 检查 RDS 内网地址是否可达
# 错误 CPrisma 迁移未执行
# 日志Error: P1001: Can't reach database server at `rm-xxxxx.pg.rds.aliyuncs.com`
# 日志Error: P1001: Can't reach database server at `pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com`
# 解决:先执行数据库迁移(参见第 8 节)
# 错误 D端口冲突
@@ -1607,7 +1607,7 @@ DATABASE_URL=postgresql://...?connection_limit=10&pool_timeout=10
```
[ERROR] Failed to connect to Python service: ECONNREFUSED
[ERROR] connect ETIMEDOUT 172.16.0.10:8000
[ERROR] connect ETIMEDOUT 172.17.x.x:8000
```
**排查步骤**
@@ -1622,7 +1622,7 @@ DATABASE_URL=postgresql://...?connection_limit=10&pool_timeout=10
# 3. 测试内网连通性
# 在后端应用的 Webshell 中执行:
curl -v http://172.16.0.10:8000/health
curl -v http://172.17.x.x:8000/health
# 4. 检查安全组规则
# SAE 控制台 → extraction-service 应用 → 网络配置
@@ -1666,7 +1666,7 @@ curl http://localhost/v1/info
# 3. 从 SAE 测试连通性
# 在后端应用的 Webshell 中执行:
curl -v http://172.16.0.20:80/v1/info
curl -v http://172.17.x.x:80/v1/info
```
**解决方法**
@@ -1700,7 +1700,7 @@ DIFY_API_URL=http://<ECS内网IP>:80/v1
# 1. 检查环境变量
# SAE 控制台 → 应用详情 → 环境变量
# 确认以下变量正确:
OSS_REGION=oss-cn-hangzhou
OSS_REGION=oss-cn-beijing
OSS_BUCKET=clinical-research-files
OSS_ACCESS_KEY_ID=LTAI5t...
OSS_ACCESS_KEY_SECRET=xxx...
@@ -1825,7 +1825,7 @@ PrismaClientKnownRequestError: column "phone" does not exist
```bash
# 1. 在本地开发环境,连接到 RDS
export DATABASE_URL="postgresql://username:password@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical"
export DATABASE_URL="postgresql://username:password@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical"
# 2. 反向同步 Schema
npx prisma db pull
@@ -2006,7 +2006,7 @@ pg_dump → 导入 RDS → prisma db pull同步→ 构建镜像 → 部署
```typescript
// ❌ 错误示例
const dbUrl = 'postgresql://admin:P@ssw0rd@rm-xxxxx.pg.rds.aliyuncs.com:5432/ai_clinical';
const dbUrl = 'postgresql://admin:P@ssw0rd@pgm-2zex1m2y3r23hdn5.pg.rds.aliyuncs.com:5432/ai_clinical';
// ✅ 正确做法
const dbUrl = process.env.DATABASE_URL;

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@@ -106,7 +106,7 @@ npm run build
#### 阿里云资源
- [ ] **后端服务SAE** 已部署并运行
- 后端 VPC 内网地址已获取(如 `http://172.16.0.30:3001`
- 后端 VPC 内网地址已获取(如 `http://172.17.x.x:3001`
- 后端健康检查可访问
- [ ] **阿里云容器镜像服务 ACR** 已开通
@@ -120,7 +120,7 @@ npm run build
```bash
# 后端服务内网地址(关键)
BACKEND_SERVICE_URL=http://172.16.0.30:3001
BACKEND_SERVICE_URL=http://172.17.x.x:3001
# 如果需要配置环境变量(可选)
# VITE_API_BASE_URL 在构建时注入(很少使用)
@@ -217,7 +217,7 @@ ASL 模块GET /api/v1/asl/projects
Nginx 反向代理
后端服务http://172.16.0.30:3001/api/v1/asl/projects
后端服务http://172.17.x.x:3001/api/v1/asl/projects
```
### 📝 构建流程
@@ -363,7 +363,7 @@ http {
server ${BACKEND_SERVICE_HOST}:${BACKEND_SERVICE_PORT} fail_timeout=30s max_fails=3;
# 如果有多个后端实例(负载均衡)
# server 172.16.0.30:3001 weight=1;
# server 172.17.x.x:3001 weight=1;
# server 172.16.0.31:3001 weight=1;
keepalive 32; # 保持连接池
@@ -485,7 +485,7 @@ http {
access_log off;
# 仅允许内网访问
allow 10.0.0.0/8;
allow 172.16.0.0/12;
allow 172.17.0.0/16;
allow 192.168.0.0/16;
deny all;
}
@@ -547,7 +547,7 @@ Nginx接收请求
Nginxproxy_pass http://backend
后端服务http://172.16.0.30:3001/api/v1/projects
后端服务http://172.17.x.x:3001/api/v1/projects
后端返回数据
@@ -806,7 +806,7 @@ nginx.conf.template模板:
↓ envsubst 替换
nginx.conf最终配置:
server 172.16.0.30:3001;
server 172.17.x.x:3001;
```
#### 3. 健康检查
@@ -987,7 +987,7 @@ docker rm frontend-test
```bash
# 登录(使用 ACR 密码,不是阿里云账号密码)
docker login --username=your-aliyun-account registry.cn-hangzhou.aliyuncs.com
docker login --username=your-aliyun-account registry.cn-beijing.aliyuncs.com
# 输入密码后看到:
# Login Succeeded
@@ -998,21 +998,21 @@ docker login --username=your-aliyun-account registry.cn-hangzhou.aliyuncs.com
```bash
# 格式registry地址/命名空间/仓库名:版本号
docker tag frontend-service:v1.0.0 \
registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service:v1.0.0
registry.cn-beijing.aliyuncs.com/clinical-research/frontend-service:v1.0.0
# 同时打一个 latest 标签
docker tag frontend-service:v1.0.0 \
registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service:latest
registry.cn-beijing.aliyuncs.com/clinical-research/frontend-service:latest
```
### 步骤 3推送镜像
```bash
# 推送指定版本
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service:v1.0.0
docker push registry.cn-beijing.aliyuncs.com/clinical-research/frontend-service:v1.0.0
# 推送 latest
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service:latest
docker push registry.cn-beijing.aliyuncs.com/clinical-research/frontend-service:latest
# 推送过程需要 1-3 分钟(镜像很小)
```
@@ -1055,7 +1055,7 @@ docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service
| 配置项 | 值 |
|-------|-----|
| **镜像类型** | 容器镜像服务企业版实例 |
| **镜像仓库** | `registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service` |
| **镜像仓库** | `registry.cn-beijing.aliyuncs.com/clinical-research/frontend-service` |
| **镜像版本** | `v1.0.0` |
| **镜像拉取策略** | 总是拉取镜像 |
@@ -1085,7 +1085,7 @@ docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service
```bash
# ⚠️ 必须配置(否则容器启动失败)
BACKEND_SERVICE_HOST=172.16.0.30
BACKEND_SERVICE_HOST=172.17.x.x
# 可选配置(默认 3001
BACKEND_SERVICE_PORT=3001
@@ -1108,7 +1108,7 @@ upstream backend {
server ${BACKEND_SERVICE_URL}; # ❌ 无法解析 http://172.16.0.30:3001
# 拆分后:
server 172.16.0.30:3001; # ✅ 正确
server 172.17.x.x:3001; # ✅ 正确
```
### 步骤 5配置健康检查
@@ -1337,7 +1337,7 @@ API 代理:响应时间 50-500ms取决于后端
# ✅ 正常启动
============================================
Starting Frontend Nginx Service
Backend Service: 172.16.0.30:3001
Backend Service: 172.17.x.x:3001
============================================
nginx: configuration file /etc/nginx/nginx.conf test is successful
@@ -1354,7 +1354,7 @@ nginx: configuration file /etc/nginx/nginx.conf test is successful
# ❌ 错误日志(后端连接失败)
2025/12/13 10:30:04 [error] 7#7: *1 connect() failed (111: Connection refused) while connecting to upstream
client: 172.31.0.10, server: _, request: "GET /api/v1/projects HTTP/1.1"
upstream: "http://172.16.0.30:3001/api/v1/projects"
upstream: "http://172.17.x.x:3001/api/v1/projects"
```
#### 3. Nginx 状态监控
@@ -1419,7 +1419,7 @@ curl http://localhost/nginx_status
cd frontend
npm run build
docker build -t frontend-service:v1.0.1 .
docker push registry.cn-hangzhou.aliyuncs.com/clinical-research/frontend-service:v1.0.1
docker push registry.cn-beijing.aliyuncs.com/clinical-research/frontend-service:v1.0.1
# 2. 在 SAE 中更新镜像
# SAE 控制台 → 应用详情 → 部署
@@ -1556,7 +1556,7 @@ location / {
# 2. 测试后端内网地址是否可达
# 登录前端应用的 Webshell
curl http://172.16.0.30:3001/api/v1/health
curl http://172.17.x.x:3001/api/v1/health
# 如果返回错误,说明:
# - 后端服务未启动
@@ -1567,7 +1567,7 @@ curl http://172.16.0.30:3001/api/v1/health
cat /etc/nginx/nginx.conf | grep -A 5 "upstream backend"
# 应该看到正确的后端地址:
# server 172.16.0.30:3001 fail_timeout=30s max_fails=3;
# server 172.17.x.x:3001 fail_timeout=30s max_fails=3;
# 4. 查看 Nginx 错误日志
tail -f /var/log/nginx/error.log | grep "upstream"
@@ -1579,14 +1579,14 @@ tail -f /var/log/nginx/error.log | grep "upstream"
# 方法 1更新环境变量
# SAE 控制台 → frontend-service → 应用配置 → 环境变量
# 确认:
BACKEND_SERVICE_HOST=172.16.0.30 # 正确的内网 IP
BACKEND_SERVICE_HOST=172.17.x.x # 正确的内网 IP
BACKEND_SERVICE_PORT=3001
# 重启应用使环境变量生效
# 方法 2测试内网连通性
# 在前端 Webshell 中:
telnet 172.16.0.30 3001
telnet 172.17.x.x 3001
# 如果连接失败,检查:
# - 后端和前端是否在同一 VPC
# - 安全组规则是否允许访问
@@ -1744,7 +1744,7 @@ cat /docker-entrypoint.sh | grep "envsubst"
cat /etc/nginx/nginx.conf | grep "server.*backend"
# 应该看到:
# server 172.16.0.30:3001;
# server 172.17.x.x:3001;
# 如果看到:
# server ${BACKEND_SERVICE_HOST}:${BACKEND_SERVICE_PORT}; # ❌ 未替换
@@ -1809,11 +1809,11 @@ export default defineConfig({
```bash
# ✅ 正确做法:拆分 Host 和 Port
BACKEND_SERVICE_HOST=172.16.0.30
BACKEND_SERVICE_HOST=172.17.x.x
BACKEND_SERVICE_PORT=3001
# ❌ 错误做法:完整 URL
BACKEND_SERVICE_URL=http://172.16.0.30:3001
BACKEND_SERVICE_URL=http://172.17.x.x:3001
# Nginx 无法解析协议前缀
```

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@@ -465,3 +465,9 @@ NAT网关成本¥100/月,对初创团队是一笔开销
**审查依据:** 专业技术团队反馈
**修正质量:** ⭐⭐⭐⭐⭐8/8问题已全部修正