personal-site / src / pages / rss.xml.js

import rss from "@astrojs/rss";
import { getCollection } from "astro:content";

export async function GET(context) {
  const blog = await getCollection("blog");
  return rss({
    title: "ENTOMOVISCERA.ONLINE",
    description: "WARNING: Bug inside.",
    site: context.site,
    items: blog.map((post) => ({
      title: post.data.title,
      description: post.data.bio,
      pubDate: post.data.pub,
      link: `/blog/${post.id}/`,
    })),
  });
}