Add the following to wp-config.php to fix wp-cli warnings related to SSL and proxies on AWS (PHP Notice: Undefined index: HTTP_X_FORWARDED_PROTO in phar:///opt/bitnami/apps/wordpress/bin/wp-cli.phar/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(1197) : eval()'d code on line 114)

wp-config.php

define( 'FORCE_SSL_ADMIN', true );
define( 'FORCE_SSL_LOGIN', true);
if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'){ $_SERVER['HTTPS']='on'; }