怎么可以一个网站搭建多个域名

sudo apt update
sudo apt install nginx

# example1.com 虚拟主机配置
server {
    listen 80;
    server_name example1.com;

    location / {
        proxy_pass http://localhost:3000; # 假设后端服务运行在3000端口
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

# example2.com 虚拟主机配置
server {
    listen 80;
    server_name example2.com;

    location / {
        proxy_pass http://localhost:4000; # 假设后端服务运行在4000端口
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

sudo systemctl restart nginx