Configure different target based on incoming domain in NGINX

NGINX can divert incoming request to different server based on domain name given in browser.

Usage

If there are a few application, such as 192.168.1.1 for faq.example.com, 192.168.1.2 for www.example.com, etc.

Configuration

Following configuration can be used for diverting request for faq requests.

server {
    server_name  faq.example.com;

    # SSL configuration
    listen 443 ssl;

    ssl_certificate     conf.d/www.example.com.crt;
    ssl_certificate_key conf.d/www.example.com.key;

    location / {
        proxy_pass  'https://192.168.1.1:443';
        proxy_http_version 1.1;
        proxy_buffering off;
        proxy_read_timeout    90;
        proxy_connect_timeout 90;
        proxy_redirect        off;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Port 443;
        proxy_set_header Proxy "";
    }

    client_max_body_size 64M;
}

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

    return 301 https://$host$request_uri;
}