ssl reverse proxy

# set ssl on nginx reverse proxy
# https://www.digitalocean.com/community/tutorials/how-to-configure-nginx-with-ssl-as-a-reverse-proxy-for-jenkins

upstream dockerapp {
   server 127.0.0.1:8080;
   keepalive 64;
}

server {
    listen      80;
    listen      443 ssl;
    server_name subdomain.domain.com;
    error_log   /var/log/nginx/error.log info;

    ssl_certificate     /etc/nginx/cert.crt;
    ssl_certificate_key /etc/nginx/cert.key;

    ssl on;
    ssl_session_cache  builtin:1000  shared:SSL:10m;
    ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
    ssl_prefer_server_ciphers on;

    location / {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header Host $host;
      #proxy_set_header X-Forwarded-Proto $scheme;
      #proxy_set_header X-Forwarded-Host  $host;
      #proxy_set_header X-Forwarded-Port  $server_port;

      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
#      proxy_set_header Connection "upgrade";
      proxy_set_header Connection $http_connection;

      proxy_pass http://dockerapp/;
#      proxy_pass http://localhost:8080;
      proxy_redirect off;
      proxy_read_timeout 240s;
    }
}