Cloudflare R2 Images in Next.js: One Hostname, Three Consumers
The three places an R2 host must agree, plus the cover check a production build cannot replace.
Oct 139 min read
CATEGORY · 28 ARTICLES
Next.js
Articles
Next.js
MDX Blog in Next.js 15: App Router Setup and Architecture
How to build a fast, zero-runtime MDX blog in Next.js 15. We cover next-mdx-remote setup, AST plugin pipelines, frontmatter schemas, and static generation.
Oct 711 min read
Tailwind CSS v4 Theme Tokens: Migration, CSS Variables, and @theme
Tailwind CSS v4 eliminates tailwind.config.js in favor of CSS-first @theme blocks. Here is how semantic color tokens, PostCSS v4, and variable mappings behave.
Oct 711 min read
MDX Build Error in Next.js: AST, remark/rehype, and Production Fixes
MDX build errors in Next.js usually trace to three compiler traps: bare HTML comments, dropped expression attributes under blockJS, and unescaped JSX generic types.
Oct 610 min read
Next.js 500 Error After Build: Root Causes and Production Fixes
Why Next.js apps build successfully but crash with HTTP 500 in production. How error digests mask exceptions and how to debug server-side failures.
Oct 411 min read
Rehype-Slug Heading ID Mismatch in Next.js MDX: Silent Link Failure
Why sidebar Table of Contents links scroll nowhere in Next.js MDX apps. How github-slugger deduplication, punctuation, and inline code break naive slug regexes.
Oct 410 min read
Fixing the Next.js EPERM .next/trace Error on Windows and WSL
Why Next.js throws EPERM: operation not permitted, open '.next/trace' during concurrent builds. How file descriptor sharing violations work and how to fix them.
Oct 311 min read
Claude Code with TypeScript: What tsc Tells It
Nine billed arms against one broken TypeScript project. Every arm found every error; the only thing the compiler output changed was how much the agent read to get there.
Sep 2312 min read