Build a go.example.com redirect service in Node and Express backed by Firestore: one document per slug, a 302 to the target, a per-month click counter, and an admin list. Why routing every outbound link through it saves you when programs change.
How to structure a small Express and EJS site so that English lives at the root, other languages under a prefix, every page declares its alternates with hreflang and x-default, and the sitemap lists them, using a single config file and one content folder per language.
Three small text endpoints every content site needs. How to build sitemap.xml from the content index with lastmod and alternates, keep robots.txt honest, serve ads.txt from an environment variable so ad networks can be added without a code change, and cache all three.
A scale-to-zero service pays for its first request after idle with a cold start. Where the time goes for a typical Node and Express app, how to measure it honestly, the changes that help (and the ones that do not), and the arithmetic for min-instances.
Build a content site where each article is a Markdown file with front matter, parsed once at startup and rendered with EJS. Covers a tiny front-matter parser, a marked renderer that marks external and sponsored links, reading-time estimates for languages without spaces, and generating sitemap.xml.
A minimal, production-ready way to run an Express app on Cloud Run: the Dockerfile, reading PORT, a deploy script in package.json, scaling to zero with a small memory limit, and the mistakes that cost the first hour.