server {
  listen 443 ssl http2;
  server_name g.kazu634.com;

  ssl_certificate /etc/lego/.lego/certificates/_.kazu634.com.crt;
  ssl_certificate_key /etc/lego/.lego/certificates/_.kazu634.com.key;
  ssl_dhparam /etc/lego/dhparams_4096.pem;

  ssl_session_timeout 1d;
  ssl_session_cache   shared:SSL:3m;
  ssl_buffer_size     4k;
  ssl_session_tickets off;

  ssl_protocols TLSv1.3 TLSv1.2;
  ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

  ssl_stapling on;
  ssl_stapling_verify on;

  resolver 8.8.4.4 8.8.8.8 valid=300s;
  resolver_timeout 10s;

  # Enable HSTS (HTTP Strict Transport Security)
  add_header Strict-Transport-Security "max-age=31536000; includeSubdomains; preload";

  access_log   /var/log/nginx/guacamole.access.log   ltsv;
  error_log    /var/log/nginx/guacamole.error.log;

  send_timeout 180;
  proxy_connect_timeout 600;
  proxy_read_timeout    600;
  proxy_send_timeout    600;

  client_max_body_size 1024m;

  http2_max_field_size 256k;
  http2_max_header_size 256k;

  location / {
    # oauth2-proxy here:
    auth_request /oauth2/auth;
    error_page 401 = /oauth2/sign_in;

    auth_request_set $user $upstream_http_x_auth_request_user;
    auth_request_set $email $upstream_http_x_auth_request_email;
    proxy_set_header X-User $user;
    proxy_set_header X-Email $email;

    # if you enabled --pass-access-token, this will pass the token to the backend
    auth_request_set $token  $upstream_http_x_auth_request_access_token;
    proxy_set_header X-Access-Token $token;

    # guacamole here:
    proxy_pass http://g/guacamole/;
    proxy_buffering off;
    proxy_http_version 1.1;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;
    proxy_cookie_path /guacamole/ /;
  }


 location /oauth2/ {
    proxy_pass       http://127.0.0.1:4181;

    # Configure proxying to auth
    proxy_set_header            Host                    $host;
    proxy_set_header            X-Real-IP $remote_addr;
    proxy_set_header            X-Scheme $scheme;
    proxy_set_header            X-Auth-Request-Redirect $request_uri;

    proxy_buffering on;
    proxy_buffer_size 256k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
  }

  location = /oauth2/auth {
    proxy_pass       http://127.0.0.1:4181;

    # Configure proxying to auth
    proxy_pass_request_body     off;
    proxy_set_header            Content-Length "";
    proxy_set_header            Host                    $host;
    proxy_set_header            X-Real-IP $remote_addr;
    proxy_set_header            X-Scheme $scheme;
    client_max_body_size        "1m";

    proxy_buffering on;
    proxy_buffer_size 128k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
  }
}

upstream g {
{{ range service "guacamole-guacamole" }}
  server {{ .Address }}:{{ .Port }};
{{else}}
  server 127.0.0.1:60000;
{{ end }}
}