Переадресация запросов с 443 порта на порт 8080

server {
   listen 80;
   server_name mydomain.ru;
   return 301 https://$server_name$request_uri;
}


server {
   server_name mydomain.ru;

    listen *:443 ssl;
    ssl_certificate /etc/letsencrypt/live/mydomain.ru/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/mydomain.ru/privkey.pem;

    ssl_session_cache shared:SSL:10m;
   ssl_session_timeout 10m;
   ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers "ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS:!AES256";
    ssl_prefer_server_ciphers on;
    ssl_dhparam /etc/nginx/ssl/dhp-4096.pem;

    #логи
    access_log /var/log/nginx/mydomain.ru.access.log;
   error_log  /var/log/nginx/mydomain.ru.error.log;

   client_max_body_size 16400M;
   location / {
        proxy_set_header   X-Forwarded-For $remote_addr;
        proxy_set_header   Host $http_host;
        proxy_pass http://127.0.0.1:8080;
   }

# systemctl status nginx.service
● nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Tue 2020-12-22 21:24:41 +05; 14s ago
     Docs: man:nginx(8)
  Process: 18882 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
  Process: 18883 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)

дек 22 21:24:40 webserver nginx[18883]: nginx: [emerg] bind() to 0.0.0.0:8080 failed (98: Address already in use)
дек 22 21:24:40 webserver nginx[18883]: nginx: [emerg] bind() to [::]:8080 failed (98: Address already in use)
дек 22 21:24:40 webserver nginx[18883]: nginx: [emerg] bind() to 0.0.0.0:8080 failed (98: Address already in use)
дек 22 21:24:40 webserver nginx[18883]: nginx: [emerg] bind() to [::]:8080 failed (98: Address already in use)
дек 22 21:24:41 webserver nginx[18883]: nginx: [emerg] bind() to 0.0.0.0:8080 failed (98: Address already in use)
дек 22 21:24:41 webserver nginx[18883]: nginx: [emerg] bind() to [::]:8080 failed (98: Address already in use)
дек 22 21:24:41 webserver nginx[18883]: nginx: [emerg] still could not bind()
дек 22 21:24:41 webserver systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
дек 22 21:24:41 webserver systemd[1]: nginx.service: Failed with result 'exit-code'.
дек 22 21:24:41 webserver systemd[1]: Failed to start A high performance web server and a reverse proxy server.

# cat /etc/nginx/conf.d/ds.conf
include /etc/nginx/includes/http-common.conf;
server {
  listen 0.0.0.0:8080;
  listen [::]:8080 default_server;
  server_tokens off;

  include /etc/nginx/includes/ds-*.conf;