nginx subdomain not redirecting to desired port

nginx reverse-proxy

Your subdomain and Main site rule are same.

root /var/www/html;index index.html;

You can solve this problem by making another directory and subdomain conf:

root /var/www/site2/html;index index.html

nginx reverse-proxy

Make your subdomain conf file looks like:

server {    listen 80;    server_name admin.example.com;    location / {        proxy_pass http://127.0.0.1:8080;    }}

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