nginx.conf add ssl certificate

Nginx SSL HTTPS

server {
  listen 443; 
  server_name localhost;
  ssl on;
  ssl_certificate   path/cert.pem;
  ssl_certificate_key  path/cert.key;
  ssl_session_timeout 5m;
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_ciphers AESGCM:ALL:!DH:!EXPORT:!RC4:+HIGH:!MEDIUM:!LOW:!aNULL:!eNULL;
  ssl_prefer_server_ciphers on;
  location / {
    ...
  }
}