The open-source foundation for your next technical guide
Built on Bridgetown. Designed for developers who value structure, speed, and maintainable architecture. Before you write Chapter 1, lay the groundwork with Chapter Zero.
Everything you need to start writing. Nothing you don't.
A deliberate starter for guides and long-form technical content. Green lights mean you're ready to go.
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Built for technical authors
Scaffolding designed for guides, multi-part tutorials, and documentation.
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Ruby-powered speed
Bridgetown handles static site generation so you get a fast build and a smooth developer workflow.
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Zero-clutter architecture
A clean base for your content. No heavy frameworks or bloated dependencies.
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Ready to fork
Fully open source under the MIT license. Fork the repository, update the configuration, and start writing.
Template Features
What's in the Box?
Don't start from scratch. Chapter Zero ships with the exact architecture used to power full-scale technical guides.
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The Guide System
Ordered Markdown chapters with a built-in left sidebar navigation, chapter indexes, and a seamless "next chapter" flow.
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Data-Driven Landing Page
A high-converting layout featuring a centered hero, audience cards, testimonials, and author bios, all driven simply by YAML data.
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Automated Social Previews
Dynamically generates 1200×630 OG image PNGs at build time for every chapter and post.
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Built-in Marketing & Conversion
Drop-in components for ConvertKit newsletter signups, contact forms, and support banners.
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Integrated Blog
A dated posts collection with index and post layouts for updates that don't fit into the main guide.
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Deploy Anywhere
Plain Bridgetown output with a Netlify config included. Deploy wherever static files work.
Quick Start
From zero to published
Three commands and you're previewing locally. Fork the template, run the setup, then make it yours.
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Step 1
Clone the base
Copy the template to your machine and step into the project directory.
git clone https://github.com/minitestrails/chapter-zero.git my-new-guidecd my-new-guide -
Step 2
Install dependencies
Install Ruby and Node dependencies so Bridgetown can build the site.
bundle installyarn install -
Step 3
Start the engine
Launch the dev server and preview your guide locally in the browser.
bin/bridgetown start
Then customize your site
Edit src/_data/site_metadata.yml for your name and URLs.
Add chapters under src/_guide/.
Set your production URL in config/initializers.rb.
Want the detailed guide?
The steps above get you running locally. The full guide on GitHub covers configuration, content structure, deployment, and customization.
Ready to lay the groundwork?
Grab the template, customize your config, and start writing Chapter 1 today. This site runs on Chapter Zero. Minitest Rails is one example of what you can build on top of it.