网站对应不同域名

server {
    listen 80;
    server_name example.com www.example.com;

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

server {
    listen 80;
    server_name blog.example.com;

    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://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 from example.com' });
});

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

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

    ssl_certificate /path/to/example.com.crt;
    ssl_certificate_key /path/to/example.com.key;

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

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

    ssl_certificate /path/to/blog.example.com.crt;
    ssl_certificate_key /path/to/blog.example.com.key;

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