forem-backend_simplecoding_articles_controller.rb

 def get_article_by_id
    @articles = Article.find(params[:id]).as_json(only: [:id, :title, :slug, :description, :processed_html, :tag_list])
    msg = { :status => "ok", :message => "Success!", :html => "<b>...</b>" }
    render :json => @articles
  end