HTTP su HTTPs con gestione SSL e redirect (Nginx)

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
server {
    listen 80;
    return 301 https://$host$request_uri;
}

server {

    listen 443 ssl;
    server_name <dominio>;

    ssl_certificate           /etc/nginx/SSL/<certificato>.pem;
    ssl_certificate_key       /etc/nginx/SSL/<certificato>.key;

    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;

    access_log            /var/log/nginx/access.log;

    location / {

      proxy_set_header        Host $host;
      proxy_set_header        X-Real-IP $remote_addr;
      proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header        X-Forwarded-Proto $scheme;

      # Fix the “It appears that your reverse proxy set up is broken" error.r
      proxy_pass          http://<host:porta>;
      proxy_read_timeout  90;

      proxy_redirect      http://<host:porta> https://<dominio>;
    }
  }
}