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DEPLOY.md

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Deploy

This document will explain you how to set up a local copy of Pan Docs.

# Start by cloning the repository
git clone https://github.com/gbdev/pandocs.git
# and moving to the pandocs directory
cd pandocs

Docker

If you have Docker installed, you can pull and use the provided image by running:

docker run -p 8001:8000 \
  --mount "type=bind,source=$(pwd)/custom,target=/code/custom" \
  --mount "type=bind,source=$(pwd)/preproc,target=/code/preproc" \
  --mount "type=bind,source=$(pwd)/renderer,target=/code/renderer" \
  --mount "type=bind,source=$(pwd)/src,target=/code/src" \
  --mount "type=bind,source=$(pwd)/theme,target=/code/theme" \
  -it ghcr.io/gbdev/pandocs

That's it! Pan Docs is live at localhost:8001.

Be aware of the following caveat:

  • The locally running site will not update from changes to files in the theme/ or custom/ directories (e.g. highlight.js builds, CSS style overrides). You must trigger the build by manually changing a file in the src/ directory.

Building the image

If you prefer to build the image yourself:

docker build -t pandocs .

Local

If you prefer to install every dependency locally:

  1. Install Rust, mdBook, and Python 3 (3.9 or an earlier version). mdBook is the tool rendering the documentation, Rust is used for some custom plugins and Python scripts are used to render some images. E.g.:
# Install Rust using rustup
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
# Install mdbook using cargo
cargo install mdbook
# Remember to add cargo bin directory to your path
# Install Python; e.g. on Debian-based systems:
apt install python3
  1. Install the Python prerequisites.
# Create and activate a virtualenv
python -m venv env
source env/bin/activate
# Install python dependencies
pip install -r requirements.txt
# Be sure to keep this virtual env activated for the following steps
  1. Clone this repository and run mdBook in the root folder with one of:
# Produce a build
mdbook build
# Watch your files and trigger a build automatically whenever you modify a file.
mdbook watch
# Watches the book's src directory for changes, rebuild the book, serve it on localhost:3000
#  and refresh clients for each change.
mdbook serve
  1. The final HTML files are in docs/pandocs/.

Be aware of the following caveats:

  • docs/html/ contains only partially processed files and it's also the folder that gets served by mdbook serve, so you will see some unprocessed custom markup if you visit the endpoint exposed by mdbook's development web server (:3000).

    As a workaround, you can manually serve the file in the docs/pandocs/ with the web server of your choice (e.g. you can run python3 -m http.server from the docs/pandocs folder).

  • mdbook watch and mdbook serve do not watch for changes to files in the theme/ or custom/ directories (e.g. highlight.js builds, CSS style overrides). You must trigger the build by either restarting the command, or manually changing one of the watched files.

Syntax highlighting

Syntax highlighting is provided within the browser, courtesy of highlight.js. RGBASM syntax is highlighted via a plugin, but this requires a custom build of highlight.js.

Steps:

  1. Clone highlight.js anywhere, and go into that directory.

    You will probably want to target a specific version by checking out its tag.

  2. Run npm install to install its dependencies.

  3. Within the extras/ directory, clone highlightjs-rgbasm; ensure the directory is called rgbasm, otherwise the build tool won't pick it up.

  4. You can work on and make modifications to highlightjs-rgbasm!

  5. To make the custom build of highlight.js, within the highlight.js directory, run node tools/build.js -t browser <languages>..., with <languages>... being the list of languages to enable support for. The languages identifiers are the same that you would use for highlighting (```rgbasm, for example).

  6. Copy build/highlight.min.js as theme/highlight.js in Pan Docs' source. Alternatively, for debugging, you can use build/highlight.js for a non-minified version, but please don't commit that.

E.g.

git clone [email protected]:highlightjs/highlight.js.git
cd highlight.js
git checkout 10.7.2
npm install
git clone [email protected]:gbdev/highlightjs-rgbasm.git extra/rgbasm
node tools/build.js -t browser rgbasm c
cp build/highlight.min.js ../pandocs/theme/highlight.js

Folder structure

.
├── .github/
│   ├── worflows/
│   │   └── ...
│   └── ...
├── custom/
│   └── ...
├── historical/
│   └── ...
├── mediawiki-exporter/
│   └── ...
├── preproc/
│   └── ...
├── renderer/
│   └── ...
├── src/
│   ├── imgs/
│   │   └── ...
│   ├── SUMMARY.md
│   ├── *.md
│   └── ...
├── theme/
│   └── ...
├── .gitignore
├── Cargo.lock
├── Cargo.toml
├── LICENSE
├── README.md
├── book.toml
└── requirements.txt
  • .github/ - Metadata files related to the GitHub repository.
  • custom/ - Custom files added to the build.
  • historical/ - Archive of legacy Pan Docs versions.
  • mediawiki-exporter/ - A script (and support files) to generate this repo's Git history from a MediaWiki export.
  • preproc/, renderer/ - Our custom mdBook preprocessor and back-end, respectively. Both are standard Rust project folders (though see Cargo.toml below).
  • src/ - Markdown text sources for the document. You are probably interested in this folder.
    • imgs/ - Images should go in this folder, for organization purposes.
    • Any .md file mentioned in SUMMARY.md will be rendered to HTML to the output directory.
    • All other files are output verbatim, at the same relative location to src/ (so, for example, images will be output in docs/custom/imgs/).
  • theme/ - Files overriding mdBook's default theme/ files.
  • Cargo.lock, Cargo.toml - Since preproc/ and renderer/ share most dependencies (transitively through mdbook), this folder is set up as a Cargo workspace. This creates a single target/ directory in the repo's root, containing both crates' dependencies.
  • book.toml - The mdBook configuration file.
  • requirements.txt - The Python package requirements; see above.