_comments.html.slim

div#disqus_thread
javascript:
	var disqus_config = function () {
		this.page.url = "https://www.fulllifeacademy.com.br#{current_page.url}";
		this.page.title = "#{current_article.data.title}"
		this.page.identifier = "#{idpost(current_article.data.title)}";
		this.page.category_id = "#{idcategory(current_article.data.category)}";
	};

	(function() { // DON'T EDIT BELOW THIS LINE
		var d = document, s = d.createElement('script');
		s.src = 'https://full-life-academy.disqus.com/embed.js';
		s.setAttribute('data-timestamp', +new Date());
		(d.head || d.body).appendChild(s);
	})();

config.rb

Helper

def idpost(posttitle)
  page_articles.each_with_index do |article, i|
    return i if article.title == posttitle
  end
end

def idcategory(postcategory)
  all_categories.each_with_index do |category, i|
    return i if category == postcategory
  end
end