同一个网站绑定多个域名

server {
    listen 80;
    server_name domain1.com www.domain1.com;

    location / {
        root /var/www/domain1;
        index index.html index.htm;
    }
}

server {
    listen 80;
    server_name domain2.com www.domain2.com;

    location / {
        root /var/www/domain2;
        index index.html index.htm;
    }
}

server {
    listen 443 ssl;
    server_name domain1.com www.domain1.com;

    ssl_certificate /etc/letsencrypt/live/domain1.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/domain1.com/privkey.pem;

    location / {
        root /var/www/domain1;
        index index.html index.htm;
    }
}

server {
    listen 443 ssl;

    server_name domain2.com www.domain2.com;

    ssl_certificate /etc/letsencrypt/live/domain2.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/domain2.com/privkey.pem;

    location / {
        root /var/www/domain2;
        index index.html index.htm;
    }
}

server {
    listen 80;
    server_name domain1.com www.domain1.com;

    location /api {
        add_header 'Access-Control-Allow-Origin' 'https://domain2.com';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'Origin, Content-Type, Accept, Authorization';
        # 其他配置...
    }
}