nginx:: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)

I am trying to configure an existing nginx reverse proxy server to serve incoming TCP traffic to an application listening on port 8888 on the same machine. I have tried a few examples but I am not able to configure it right. $ cat /etc/nginx/nginx.conf #Ansible managed load_module ‘/usr/lib64/nginx/modules/ngx_stream_module.so’; user nginx nginx; worker_processes 4; pid…