📝 Next.js 15 MDX Blog

A fast, modern, and accessible blog platform built with:

• Next.js 15 App Router
• MDX-based content authoring
• React 19 with Server Components (RSC)
• Tailwind CSS for styling
• File-based content system in /content/posts

GitHub repo

Deployed app

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✨ Features

• 📄 MDX-powered posts – write interactive markdown with React components
• 📦 App Router support – modern routing, layouts, and loading patterns
• 🧱 Custom useMDXComponents – style your headings, paragraphs, and code blocks consistently
• 💡 Async params and metadata parsing – compatible with latest Next.js 15 behavior
• 🌓 Dark mode friendly – via dark:prose-invert styling
• 📁 File-based content – add .mdx files to content/posts to create pages
• ✅ Error handling – 404s, missing metadata, and broken posts are gracefully handled

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📂 Project Structure

/app
  /blog
    [slug]/page.tsx      # Dynamic route for individual posts
    not-found.tsx        # Custom 404 page
    page.tsx             # Blog index (blog roll)
  layout.tsx             # Shared layout
/content
  /posts                 # Your MDX files live here
/lib
  /actions/get-posts.ts  # Reads + parses metadata from MDX files
/app/_actions/mdx.ts     # Core MDX file logic

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🛠 How to Add a New Post

1. Create a file in content/posts/ with a .mdx extension.
2. At the top, export your metadata:

export const metadata = {
  title: "Your Post Title",
  publishDate: "2025-04-14",
  description: "A short summary of the post.",
};

3. Write your content using markdown and React components!

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🧪 Development

pnpm install       # or yarn / npm
pnpm dev           # run locally at http://localhost:3000

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📦 Tech Stack

• Next.js 15 (App Router)
• MDX
• Tailwind CSS
• React 19
• TypeScript, Server Components, Edge-ready

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✅ Status

💥 Actively built — focusing on performance, authoring experience, and stability for production deployment.

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🧠 Credits

Built with ❤️ by O. Wolfson with significant help from ChatGPT Code Copilot