411 lines
9.4 KiB
Markdown
411 lines
9.4 KiB
Markdown
# Nexus 6.0 安装指南
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## 系统要求
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| 组件 | 最低版本 | 推荐 |
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|------|----------|------|
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| 操作系统 | Ubuntu 20.04 / Debian 11 / CentOS 7 | Ubuntu 22.04+ |
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| Python | 3.10 | 3.12 |
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| MySQL | 8.0 | 8.4 |
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| Redis | 6.0 | 7.0 |
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| Nginx | 1.18 | 最新稳定版 |
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| 内存 | 1GB | 2GB+ |
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| 磁盘 | 5GB | 20GB+ |
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---
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## 快速安装
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### 一键脚本安装(推荐)
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```bash
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# 1. 下载并运行安装脚本
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sudo bash install.sh --domain nexus.example.com
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# 2. 打开浏览器完成 Web 安装向导
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# http://nexus.example.com/app/install.html
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```
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脚本会自动检测环境、安装依赖、配置 Supervisor 和 Nginx。
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### 参数说明
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```
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--domain DOMAIN 必填,域名或 IP
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--deploy-dir PATH 安装目录(默认自动检测)
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--port PORT uvicorn 端口(默认 8600)
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--skip-nginx 跳过 Nginx 配置
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--skip-supervisor 跳过 Supervisor 配置
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--repo URL Git 仓库地址(可选)
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```
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---
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## 宝塔面板安装指南
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### 1. 安装宝塔面板(如未安装)
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```bash
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curl -sSO https://raw.githubusercontent.com/zhucaidan/btpanel-v7.0.3/main/install_panel.sh && bash install_panel.sh
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```
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### 2. 通过宝塔安装 MySQL 和 Redis
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1. 宝塔面板 → 软件商店 → 搜索 **MySQL 8.0** → 安装
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2. 软件商店 → 搜索 **Redis** → 安装
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3. 数据库 → 添加数据库:
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- 数据库名:`nexus`
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- 用户名:`nexus`
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- 密码:自动生成或自定义
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### 3. 创建网站
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1. 网站 → 添加站点
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- 域名:`nexus.example.com`
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- 根目录:`/www/wwwroot/nexus.example.com`
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- PHP版本:纯静态(不需要 PHP)
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2. 记录网站根目录路径
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### 4. 运行安装脚本
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```bash
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# 将 Nexus 文件上传到网站根目录后运行
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cd /www/wwwroot/nexus.example.com
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sudo bash deploy/install.sh --domain nexus.example.com --deploy-dir /www/wwwroot/nexus.example.com
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```
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或者如果文件还没上传:
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```bash
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sudo bash deploy/install.sh --domain nexus.example.com --repo https://your-gitea-url/Nexus.git
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```
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脚本会自动检测宝塔面板,配置写入正确的路径。
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### 5. 配置 Supervisor
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如果脚本未自动配置:
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1. 宝塔面板 → 软件商店 → 搜索 **Supervisor管理器** → 安装
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2. Supervisor管理器 → 添加守护进程:
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- 名称:`nexus`
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- 启动命令:`/www/wwwroot/nexus.example.com/venv/bin/uvicorn server.main:app --host 0.0.0.0 --port 8600`
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- 运行目录:`/www/wwwroot/nexus.example.com`
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### 6. 配置 Nginx
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1. 网站 → nexus.example.com → 设置 → 配置文件
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2. 在 `#PHP-INFO-END` 后面粘贴:
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```nginx
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# Nexus Python API + WebSocket
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location ^~ /api/ {
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proxy_pass http://127.0.0.1:8600;
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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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}
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location ^~ /health {
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proxy_pass http://127.0.0.1:8600;
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}
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location ^~ /ws/ {
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proxy_pass http://127.0.0.1:8600;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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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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}
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```
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3. 保存并重载
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### 7. 配置 SSL
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1. 网站 → nexus.example.com → SSL → Let's Encrypt
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2. 申请证书 → 开启强制 HTTPS
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### 8. 完成 Web 安装向导
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打开浏览器访问 `https://nexus.example.com/app/install.html`,按向导完成:
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- Step 2:环境检测
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- Step 3:填写 MySQL 和 Redis 连接信息
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- Step 4:创建管理员账号
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- Step 5:安装完成
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---
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## 手动安装指南
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### 1. 安装系统依赖
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**Ubuntu / Debian:**
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```bash
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sudo apt update
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sudo apt install -y python3 python3-venv python3-pip python3-dev \
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build-essential libssl-dev libffi-dev default-libmysqlclient-dev \
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git curl nginx supervisor
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```
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**CentOS / Rocky / AlmaLinux:**
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```bash
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sudo dnf install -y python3 python3-devel python3-pip \
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gcc openssl-devel libffi-devel mysql-devel \
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git curl nginx supervisor
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```
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### 2. 安装 MySQL 8.0
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```bash
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# Ubuntu
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sudo apt install -y mysql-server
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sudo mysql_secure_installation
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# 创建数据库
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sudo mysql -e "CREATE DATABASE nexus CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
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sudo mysql -e "CREATE USER 'nexus'@'localhost' IDENTIFIED BY 'YOUR_PASSWORD';"
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sudo mysql -e "GRANT ALL PRIVILEGES ON nexus.* TO 'nexus'@'localhost';"
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sudo mysql -e "FLUSH PRIVILEGES;"
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```
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### 3. 安装 Redis
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```bash
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# Ubuntu
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sudo apt install -y redis-server
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sudo systemctl enable redis-server
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sudo systemctl start redis-server
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# 验证
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redis-cli ping # 应返回 PONG
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```
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### 4. 部署 Nexus
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```bash
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# 创建目录
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sudo mkdir -p /opt/nexus
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cd /opt/nexus
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# 克隆代码(或从发布包解压)
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sudo git clone https://your-gitea-url/Nexus.git .
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# 创建 Python 虚拟环境
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python3.12 -m venv venv
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source venv/bin/activate
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# 安装依赖
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pip install -r requirements.txt
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```
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### 5. 配置 Supervisor
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```bash
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sudo tee /etc/supervisor/conf.d/nexus.conf << 'EOF'
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[program:nexus]
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command=/opt/nexus/venv/bin/uvicorn server.main:app --host 0.0.0.0 --port 8600 --workers 2 --loop uvloop --http httptools --log-level info
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directory=/opt/nexus
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user=root
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autostart=true
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autorestart=true
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startretries=10
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startsecs=3
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stopwaitsecs=10
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stopsignal=INT
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environment=PATH="/opt/nexus/venv/bin:%(ENV_PATH)s",HOME="/root"
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stderr_logfile=/var/log/nexus/error.log
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stdout_logfile=/var/log/nexus/access.log
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stderr_logfile_maxbytes=50MB
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stdout_logfile_maxbytes=50MB
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EOF
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# 创建日志目录
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sudo mkdir -p /var/log/nexus
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# 重载 Supervisor
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sudo supervisorctl reread
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sudo supervisorctl update
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sudo supervisorctl start nexus
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```
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### 6. 配置 Nginx
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```bash
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sudo tee /etc/nginx/sites-available/nexus << 'EOF'
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upstream nexus_api {
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server 127.0.0.1:8600;
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keepalive 32;
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}
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server {
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listen 80;
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server_name nexus.example.com;
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location / {
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proxy_pass http://nexus_api;
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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 /ws/ {
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proxy_pass http://nexus_api;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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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_read_timeout 3600s;
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}
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location ~ ^/(\.env|\.git) {
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return 404;
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}
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client_max_body_size 500m;
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access_log /var/log/nginx/nexus_access.log;
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error_log /var/log/nginx/nexus_error.log;
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}
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EOF
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# 启用站点
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sudo ln -sf /etc/nginx/sites-available/nexus /etc/nginx/sites-enabled/
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sudo nginx -t && sudo systemctl reload nginx
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```
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### 7. 完成 Web 安装向导
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打开浏览器访问 `http://nexus.example.com/app/install.html`
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### 8. 配置 SSL
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```bash
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sudo apt install -y certbot python3-certbot-nginx
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sudo certbot --nginx -d nexus.example.com
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```
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---
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## 安装后配置
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### 健康检查 Crontab(第3层守护)
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```bash
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# 编辑 crontab
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sudo crontab -e
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# 添加(每分钟检查一次)
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* * * * * /opt/nexus/deploy/health_monitor.sh
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```
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### 数据库备份 Crontab
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```bash
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# 每天凌晨3点自动备份,保留30天
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0 3 * * * /opt/nexus/deploy/db_backup.sh
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```
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### 防火墙配置
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```bash
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# 只开放必要端口
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sudo ufw allow 22/tcp # SSH
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sudo ufw allow 80/tcp # HTTP
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sudo ufw allow 443/tcp # HTTPS
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sudo ufw enable
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# 8600 端口不需要对外开放(Nginx 反向代理)
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```
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### 安全收尾清单
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- [ ] 安装向导已自动锁定
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- [ ] `.env` 文件包含 SECRET_KEY/API_KEY/ENCRYPTION_KEY — 安装后不可修改
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- [ ] SSL 证书已配置,强制 HTTPS
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- [ ] 8600 端口未对外开放
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- [ ] 管理员密码已修改(非默认弱密码)
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- [ ] Telegram 告警已配置(Settings 页面)
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---
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## 升级
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```bash
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sudo bash /opt/nexus/deploy/upgrade.sh
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```
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升级脚本会:git pull → pip install → supervisorctl restart → 健康检查。
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---
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## 卸载
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```bash
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sudo bash /opt/nexus/deploy/uninstall.sh # 保留文件
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sudo bash /opt/nexus/deploy/uninstall.sh --purge # 同时删除部署目录
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```
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> 注意:MySQL 数据库不会被自动删除。需手动 `DROP DATABASE nexus;`
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---
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## 故障排查
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### 端口 8600 无响应
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```bash
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supervisorctl status nexus # 检查进程状态
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tail -f /var/log/nexus/error.log # 查看错误日志
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curl http://127.0.0.1:8600/health # 本地健康检查
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```
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### Nginx 502 Bad Gateway
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- 检查 uvicorn 是否运行:`supervisorctl status nexus`
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- 检查端口匹配:Nginx upstream 端口和 uvicorn 端口是否一致
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- 检查 Nginx 错误日志:`tail -f /var/log/nginx/nexus_error.log`
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### 数据库连接失败
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```bash
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# 检查 MySQL 是否运行
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sudo systemctl status mysql
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# 测试连接
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mysql -u nexus -p -h 127.0.0.1 nexus
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```
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### Redis 连接失败
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```bash
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# 检查 Redis 是否运行
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sudo systemctl status redis-server
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redis-cli ping
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```
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### Supervisor 启动失败
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```bash
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# 检查配置语法
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supervisorctl reread
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# 查看详细日志
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tail -f /var/log/nexus/error.log
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# 手动启动测试
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cd /opt/nexus && source venv/bin/activate
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uvicorn server.main:app --host 0.0.0.0 --port 8600
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```
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### 安装向导无法访问
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- 检查 `.env` 文件是否存在:如果存在,安装向导会被锁定
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- 删除 `.env` 可重新进入安装模式:`rm /opt/nexus/.env && supervisorctl restart nexus`
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