547 lines
13 KiB
Markdown
547 lines
13 KiB
Markdown
# VideoGen 部署文档
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## 项目结构
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```
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video_item/
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├── video-gen-api/ # 后端 (Python FastAPI + SQLAlchemy + Alembic)
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├── video-gen-app/ # 前台 (React 19 + Vite 8 + Ant Design 6 + Tailwind)
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├── video-gen-admin/ # 后台管理 (React 19 + Vite 8 + Ant Design 6)
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└── DEPLOYMENT.md # 本文档
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```
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---
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## 一、环境要求
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| 组件 | 版本要求 | 说明 |
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|------|---------|------|
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| Python | >= 3.10 | 推荐 3.12 |
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| Node.js | >= 18 | 推荐 20+ |
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| PostgreSQL | >= 14 | 推荐 16 |
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| Redis | >= 6 | 可选,推荐用于限流/验证码/Celery |
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| FFmpeg | 任意 | 可选,用于视频封面截帧 |
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---
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## 二、后端部署 (video-gen-api)
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### 1. 安装依赖
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```bash
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cd video-gen-api
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# 创建虚拟环境
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python -m venv .venv
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# Windows
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.venv\Scripts\activate
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# Linux/Mac
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source .venv/bin/activate
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# 安装基础依赖 + PostgreSQL 驱动
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pip install -e ".[pg]"
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# 如需 Redis 支持(限流、验证码、Celery)
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pip install -e ".[pg,redis]"
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# 如需 Celery 异步任务(ChatAPI 生成流水线)
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pip install -e ".[pg,redis,celery]"
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```
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### 2. 配置环境变量
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复制 `.env.example` 为 `.env`,修改以下关键配置:
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```bash
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cp .env.example .env
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```
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```ini
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# ── 基础配置 ──
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APP_NAME=VideoGen API
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DEBUG=false
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SECRET_KEY=改成一个随机的长字符串
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# ── 数据库 ──
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DATABASE_URL=postgresql+asyncpg://用户名:密码@localhost:5432/videogen
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# ── Redis(可选,留空则禁用限流和验证码) ──
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REDIS_URL=redis://localhost:6379/0
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# ── JWT ──
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JWT_ALGORITHM=HS256
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JWT_EXPIRE_MINUTES=1440 # 普通登录 24h
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JWT_EXPIRE_REMEMBER_MINUTES=10080 # 记住登录 7天
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# ── 视频生成(火山引擎 Ark) ──
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SEEDANCE_API_KEY=你的API Key
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SEEDANCE_API_BASE=https://ark.cn-beijing.volces.com/api/v3
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SEEDANCE_CALLBACK_URL=https://你的域名/api/generation-records/callback
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# ── LLM 提示词优化 ──
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LLM_MOCK=false
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# ── 前后端通信加密(32字节 base64,留空则禁用) ──
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ENCRYPTION_KEY=你的32字节base64密钥
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# ── 存储路径 ──
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STORAGE_TYPE=local
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STORAGE_LOCAL_PATH=./storage/generate/videos
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STORAGE_IMAGE_LOCAL_PATH=./storage/generate/images
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STORAGE_VIDEO_COVER_LOCAL_PATH=./storage/generate/covers
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UPLOAD_LOCAL_PATH=./storage/uploads
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# ── 跨域(生产环境务必限制域名) ──
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CORS_ORIGINS=["https://你的前台域名.com", "https://你的后台域名.com"]
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# ── 回调基础地址 ──
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BASE_URL=https://你的域名
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# ── 短信(火山引擎 SDK,SMS_MOCK=false 时生效) ──
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SMS_MOCK=true
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VOLC_SMS_ACCESS_KEY_ID=
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VOLC_SMS_SECRET_ACCESS_KEY=
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VOLC_SMS_ACCOUNT=消息组ID
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VOLC_SMS_TEMPLATE_ID=模板ID
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VOLC_SMS_SIGN=短信签名
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# ── 支付(PAYMENT_MOCK=false 时生效) ──
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PAYMENT_MOCK=true
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# ── Celery(可选,留空则禁用 ChatAPI 异步流水线) ──
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CELERY_BROKER_URL=redis://localhost:6379/5
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CELERY_RESULT_BACKEND=redis://localhost:6379/6
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# ── FFmpeg(留空自动从 PATH 查找) ──
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FFMPEG_BIN=/usr/bin/ffmpeg
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```
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### 3. 初始化数据库
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```bash
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# 创建 PostgreSQL 数据库
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psql -U postgres -c "CREATE DATABASE videogen OWNER videogen;"
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# 启动后端(首次启动自动建表 + 填充种子数据)
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python -m uvicorn app.main:app --host 0.0.0.0 --port 8000
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```
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首次启动会自动完成:
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- 创建所有数据表(23 个 model)
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- 创建管理员账号:`admin` / `123456`
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- 创建演示用户:`demo` / `123456`(手机号 `13888888888`)
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- 填充系统配置、视频引擎(Seedance 2.0 / 2.0 fast)、图片引擎(Seedream 5.0)、模型配置、积分比例、菜单配置、充值套餐(4 档)、行业配置
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**首次部署后务必修改默认密码。**
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### 4. 数据库迁移 (Alembic)
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项目使用 Alembic 管理数据库结构变更,`env.py` 已导入全部 20 个 model。
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```bash
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cd video-gen-api
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# 修改 model 后,自动生成迁移文件
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python -m alembic revision --autogenerate -m "描述改动内容"
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# 执行迁移
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python -m alembic upgrade head
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# 查看当前版本
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python -m alembic current
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# 查看迁移历史
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python -m alembic history
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# 回滚一步
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python -m alembic downgrade -1
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```
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**部署流程:** 拉取代码后先执行 `alembic upgrade head`,再重启后端服务。
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**新增 model 时:** 需要在 `alembic/env.py` 中添加对应的 import。
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### 5. 生产运行
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```bash
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# 方式一:直接运行(推荐 4 workers)
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python -m uvicorn app.main:app --host 0.0.0.0 --port 8000 --workers 4
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# 方式二:使用 systemd (Linux)
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```
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**systemd 服务文件** `/etc/systemd/system/videogen-api.service`:
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```ini
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[Unit]
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Description=VideoGen API
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After=network.target postgresql.service
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[Service]
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Type=simple
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User=www-data
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WorkingDirectory=/opt/video-gen-api
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Environment=PATH=/opt/video-gen-api/.venv/bin
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ExecStart=/opt/video-gen-api/.venv/bin/python -m uvicorn app.main:app --host 0.0.0.0 --port 8000 --workers 4
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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```
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```bash
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sudo systemctl daemon-reload
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sudo systemctl enable videogen-api
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sudo systemctl start videogen-api
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```
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### 6. Celery Worker(可选)
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ChatAPI 异步生成流水线需要 Celery Worker。需要 Redis 作为 Broker。
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```bash
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# 启动 Worker(处理 3 个队列:gen_chatapi_create, gen_provider_poll, gen_result_download)
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celery -A app.tasks.celery_app worker -l info -Q gen_chatapi_create,gen_provider_poll,gen_result_download,default
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```
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**systemd 服务文件** `/etc/systemd/system/videogen-worker.service`:
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```ini
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[Unit]
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Description=VideoGen Celery Worker
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After=network.target redis.service
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[Service]
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Type=simple
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User=www-data
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WorkingDirectory=/opt/video-gen-api
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Environment=PATH=/opt/video-gen-api/.venv/bin
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ExecStart=/opt/video-gen-api/.venv/bin/celery -A app.tasks.celery_app worker -l info -Q gen_chatapi_create,gen_provider_poll,gen_result_download,default
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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```
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### 7. Docker 部署(可选)
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项目提供 `Dockerfile` 和 `docker-compose.yml`,一键启动完整环境:
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```bash
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cd video-gen-api
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# 注意:Dockerfile 默认只装基础依赖,需修改为安装 pg+redis+celery
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# 将 Dockerfile 中的 RUN pip install --no-cache-dir . 改为:
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# RUN pip install --no-cache-dir ".[pg,redis,celery]"
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docker compose up -d
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```
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启动的服务:
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| 服务 | 端口 | 说明 |
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|------|------|------|
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| api | 8000 | FastAPI 应用(带 `--reload`,开发模式) |
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| worker | - | Celery Worker |
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| postgres | 5432 | PostgreSQL 16 |
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| redis | 6379 | Redis 7 |
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### 8. Nginx 反向代理
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```nginx
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server {
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listen 80;
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server_name api.yourdomain.com;
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# 上传文件大小限制
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client_max_body_size 100M;
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location / {
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proxy_pass http://127.0.0.1:8000;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_read_timeout 300s;
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}
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# 静态文件 (上传的视频/图片)
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location /uploads/ {
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alias /opt/video-gen-api/storage/uploads/;
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expires 7d;
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}
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}
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```
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---
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## 三、前台部署 (video-gen-app)
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### 1. 安装依赖 & 构建
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```bash
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cd video-gen-app
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npm install
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# 配置 API 地址(创建 .env.production)
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echo "VITE_API_BASE=https://api.yourdomain.com" > .env.production
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# 如需前后端加密通信
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echo "VITE_ENCRYPTION_KEY=与后端ENCRYPTION_KEY相同" >> .env.production
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# 构建
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npm run build
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```
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构建产物在 `dist/` 目录。
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### 2. Nginx 配置
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```nginx
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server {
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listen 80;
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server_name yourdomain.com;
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root /opt/video-gen-app/dist;
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index index.html;
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# SPA 路由
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location / {
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try_files $uri $uri/ /index.html;
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}
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# 静态资源缓存
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location /assets/ {
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expires 1y;
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add_header Cache-Control "public, immutable";
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}
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}
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```
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---
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## 四、后台管理部署 (video-gen-admin)
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### 1. 安装依赖 & 构建
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```bash
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cd video-gen-admin
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npm install
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# 配置 API 地址
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echo "VITE_API_BASE=https://api.yourdomain.com" > .env.production
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# 如需前后端加密通信
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echo "VITE_ENCRYPTION_KEY=与后端ENCRYPTION_KEY相同" >> .env.production
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# 构建
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npm run build
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```
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### 2. Nginx 配置
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```nginx
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server {
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listen 80;
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server_name admin.yourdomain.com;
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root /opt/video-gen-admin/dist;
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index index.html;
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location / {
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try_files $uri $uri/ /index.html;
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}
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location /assets/ {
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expires 1y;
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add_header Cache-Control "public, immutable";
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}
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}
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```
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---
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## 五、完整 Nginx 配置示例 (单机部署)
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```nginx
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# 后端 API
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server {
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listen 80;
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server_name api.yourdomain.com;
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client_max_body_size 100M;
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location / {
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proxy_pass http://127.0.0.1:8000;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_read_timeout 300s;
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}
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location /uploads/ {
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alias /opt/video-gen-api/storage/uploads/;
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expires 7d;
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}
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}
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# 前台
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server {
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listen 80;
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server_name yourdomain.com;
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root /opt/video-gen-app/dist;
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index index.html;
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location / {
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try_files $uri $uri/ /index.html;
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}
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location /assets/ {
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expires 1y;
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}
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}
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# 后台管理
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server {
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listen 80;
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server_name admin.yourdomain.com;
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root /opt/video-gen-admin/dist;
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index index.html;
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location / {
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try_files $uri $uri/ /index.html;
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}
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location /assets/ {
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expires 1y;
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}
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}
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```
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---
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## 六、SSL 配置 (推荐)
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使用 Certbot 获取免费证书:
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```bash
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sudo apt install certbot python3-certbot-nginx
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sudo certbot --nginx -d yourdomain.com -d admin.yourdomain.com -d api.yourdomain.com
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```
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---
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## 七、默认账号
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| 角色 | 用户名 | 手机号 | 密码 | 积分 |
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|------|--------|--------|------|------|
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| 管理员 | admin | 13800000000 | 123456 | 10000 |
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| 演示用户 | demo | 13888888888 | 123456 | 2680 |
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**首次部署后务必修改默认密码。**
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---
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## 八、架构说明
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### 异步任务处理
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系统有两套异步任务机制:
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| 机制 | 说明 | 依赖 |
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|------|------|------|
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| 内置 TaskQueue | asyncio 实现,运行在 uvicorn 进程内,轮询视频/图片生成状态 | 无额外依赖 |
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| Celery Worker | 处理 ChatAPI 异步生成流水线,3 个队列分优先级 | Redis 作为 Broker |
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### 中间件栈(从外到内)
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1. `RequestLoggingMiddleware` — 请求/响应日志记录
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2. `AntiCrawlerMiddleware` — 反爬虫(拦截空 UA 和常见 bot)
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3. `RateLimitMiddleware` — 滑动窗口限流(Redis 支撑)
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4. `RequestEncryptMiddleware` — AES-256-GCM 请求/响应加密
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5. `CORSMiddleware` — 跨域
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### 日志系统
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| 日志类型 | 目录 | 控制方式 |
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|---------|------|---------|
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| 请求/响应日志 | `log/RequestResponse/{日期}.log` | 始终开启 |
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| AI 模型日志 | `log/AiModel/{日期}.log` | `AI_LOG_ENABLED` 环境变量 |
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| Python 控制台日志 | stderr | `DEBUG=true` 时输出 INFO,否则 WARNING |
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文件日志使用 AES-CBC 加密存储,解密工具:`/internal/decrypt-data` 端点。
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### 存储路径
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| 路径 | 用途 |
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|------|------|
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| `storage/generate/videos/` | 生成的视频文件 |
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| `storage/generate/images/` | 生成的图片文件 |
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| `storage/generate/covers/` | 视频封面缩略图 |
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| `storage/uploads/` | 用户上传的原始文件 |
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### 外部服务依赖
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| 服务 | 用途 | 是否必须 |
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|------|------|---------|
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| 火山引擎 Ark | 视频生成(Seedance 2.0)、图片生成(Seedream 5.0)、LLM | 是 |
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| 火山引擎短信 | 短信验证码 | 否(可 mock) |
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| 微信支付 / 支付宝 | 充值支付 | 否(可 mock,未完整实现) |
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| FFmpeg | 视频封面截帧 | 否(留空自动查找) |
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---
|
||
|
||
## 九、目录结构 (部署后)
|
||
|
||
```
|
||
/opt/
|
||
├── video-gen-api/ # 后端
|
||
│ ├── .env # 环境变量
|
||
│ ├── .venv/ # Python 虚拟环境
|
||
│ ├── app/ # 应用代码
|
||
│ ├── alembic/ # 数据库迁移文件
|
||
│ ├── storage/
|
||
│ │ ├── generate/
|
||
│ │ │ ├── videos/ # 生成的视频
|
||
│ │ │ ├── images/ # 生成的图片
|
||
│ │ │ └── covers/ # 视频封面
|
||
│ │ └── uploads/ # 用户上传
|
||
│ └── log/
|
||
│ ├── AiModel/ # AI 模型请求日志(加密)
|
||
│ └── RequestResponse/ # 请求响应日志(加密)
|
||
├── video-gen-app/dist/ # 前台构建产物
|
||
└── video-gen-admin/dist/ # 后台构建产物
|
||
```
|
||
|
||
---
|
||
|
||
## 十、常用运维命令
|
||
|
||
```bash
|
||
# 查看后端日志
|
||
sudo journalctl -u videogen-api -f
|
||
|
||
# 重启后端
|
||
sudo systemctl restart videogen-api
|
||
|
||
# 重启 Celery Worker
|
||
sudo systemctl restart videogen-worker
|
||
|
||
# 重新构建前端
|
||
cd /opt/video-gen-app && npm run build
|
||
cd /opt/video-gen-admin && npm run build
|
||
|
||
# 数据库备份
|
||
pg_dump -U videogen videogen > backup_$(date +%Y%m%d).sql
|
||
|
||
# 数据库恢复
|
||
psql -U videogen videogen < backup_20260512.sql
|
||
|
||
# 执行数据库迁移
|
||
cd /opt/video-gen-api && python -m alembic upgrade head
|
||
|
||
# 生成迁移文件
|
||
cd /opt/video-gen-api && python -m alembic revision --autogenerate -m "描述"
|
||
```
|