upstream idp {
  server shibboleth-docker:8080;
}

server {
  listen 80;
  server_name IDP_HOSTNAME;
  location / {
    return 302 https://$host$request_uri;
  }
}

server {
  listen 443 ssl;
  server_name IDP_HOSTNAME;
  
  ssl on;
  ssl_certificate /opt/certs/idp-bundle.pem;
  ssl_certificate_key /opt/certs/idp.key;
  ssl_session_timeout 1d;
  ssl_session_cache shared:SSL:50m;
  ssl_session_tickets off;

  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
  ssl_prefer_server_ciphers on;

	location / {
		proxy_pass http://idp;
		proxy_set_header Host $host;
		proxy_set_header X-Forwarded-for $remote_addr;
		proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-Port  $server_port;
    add_header X-Frame-Options "SAMEORIGIN";
  }
}