RSS feed component for Craft CMS. More information on http://craftsnippets.com/articles/rss-feed-template-component-for-craft-cms

feed.rss

{% spaceless %}
{#  settings #}
{% set title = siteName %}
{% set channelDescription = 'description' %}
{% set descriptionHandle = 'intro' %}
{% set items = craft.entries.section('articles').limit(50) %}
{# feed #}
{% if craft.app.request.segments|last == _self %}
<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
    <channel>
        <title>{{ title }}</title>
        <link>{{ siteUrl }}</link>
        <atom:link href="{{ craft.app.request.absoluteUrl }}" rel="self" type="application/rss+xml" />
        {% if channelDescription is defined %}<description>{{ channelDescription }}</description>{% endif %}
        <language>{{ currentSite.language }}</language>
        <pubDate>{{ now|rss }}</pubDate>
        <lastBuildDate>{{ now|rss }}</lastBuildDate>

        {% for item in items %}
            <item>
                <title>{{ item.title }}</title>
                <link>{{ item.url }}</link>
                <pubDate>{{ item.postDate|rss }}</pubDate>
                <author>{{ item.author.email }} ({{ item.author }})</author>
                <guid>{{ item.url }}</guid>
                {% if item[descriptionHandle] is defined %}<description><![CDATA[
                    {{ item[descriptionHandle] }}
                ]]></description>{% endif %}
            </item>
        {% endfor %}
    </channel>
</rss>
{% else %}
{# link #}
<link rel="alternate" type="application/rss+xml" href="{{ url(_self) }}">
{% endif %}
{% endspaceless %}