多域名方案

# 编辑DNS配置文件
sudo nano /etc/bind/named.conf.local

# 添加域名解析记录
zone "example.com" {
    type master;
    file "/etc/bind/db.example.com";
};

# 编辑域名解析文件
sudo nano /etc/bind/db.example.com

# 添加A记录
www IN A 192.168.1.1
blog IN A 192.168.1.2

server {
    listen 443 ssl;
    server_name www.example.com;

    ssl_certificate /path/to/certificate.crt;
    ssl_certificate_key /path/to/private.key;

    location / {
        root /var/www/html;
        index index.html index.htm;
    }
}

server {
    listen 443 ssl;
    server_name blog.example.com;

    ssl_certificate /path/to/certificate.crt;
    ssl_certificate_key /path/to/private.key;

    location / {
        root /var/www/blog;
        index index.html index.htm;
    }
}

const express = require('express');
const app = express();

app.use((req, res, next) => {
    res.header('Access-Control-Allow-Origin', 'https://www.example.com');
    res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
    res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization');
    next();
});

app.get('/data', (req, res) => {
    res.json({ message: 'Hello World!' });
});

app.listen(3000, () => {
    console.log('Server is running on port 3000');
});