upstream frontend {
  server upstreamServerPlaceholder;
}

server {
  listen  80;
  listen  443;

  server_name serverNamePlaceholder;

  ssl on;
  ssl_certificate /ssl.crt;
  ssl_certificate_key /ssl.key;

  client_max_body_size 0;

  location / {
    proxy_pass http://frontend;
  }
}