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Instructions for running locally
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malcolmlett committed Oct 7, 2023
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1 change: 0 additions & 1 deletion Gemfile
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Expand Up @@ -6,5 +6,4 @@ gem "jekyll", "~> 4.3.2" # installed by `gem jekyll`
gem "just-the-docs", "0.6.2" # pinned to the current release
# gem "just-the-docs" # always download the latest release

gem "therubyrhino"
gem "jekyll-katex"
4 changes: 0 additions & 4 deletions Gemfile.lock
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Expand Up @@ -74,9 +74,6 @@ GEM
google-protobuf (~> 3.23)
terminal-table (3.0.2)
unicode-display_width (>= 1.1.1, < 3)
therubyrhino (2.1.2)
therubyrhino_jar (>= 1.7.4, < 1.7.9)
therubyrhino_jar (1.7.8)
unicode-display_width (2.4.2)
webrick (1.8.1)

Expand All @@ -88,7 +85,6 @@ DEPENDENCIES
jekyll (~> 4.3.2)
jekyll-katex
just-the-docs (= 0.6.2)
therubyrhino

BUNDLED WITH
2.3.26
185 changes: 36 additions & 149 deletions README.md
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# just-the-docs-template
# Just-the-Docs Example site

This is a *bare-minimum* template to create a [Jekyll] site that:
## Running locally

- uses the [Just the Docs] theme;
- can be built and published on [GitHub Pages];
- can be built and previewed locally, and published on other platforms.
The first time you run this, you'll need to follow the "one time setup" steps below.

More specifically, the created site:
Then:

- uses a gem-based approach, i.e. uses a `Gemfile` and loads the `just-the-docs` gem;
- uses the [GitHub Pages / Actions workflow] to build and publish the site on GitHub Pages.
1. Run jekyll

To get started with creating a site, simply:

1. click "[use this template]" to create a GitHub repository
2. go to Settings > Pages > Build and deployment > Source, and select GitHub Actions

If you want to maintain your docs in the `docs` directory of an existing project repo, see [Hosting your docs from an existing project repo](#hosting-your-docs-from-an-existing-project-repo).

After completing the creation of your new site on GitHub, update it as needed:

## Replace the content of the template pages

Update the following files to your own content:

- `index.md` (your new home page)
- `README.md` (information for those who access your site repo on GitHub)

## Changing the version of the theme and/or Jekyll

Simply edit the relevant line(s) in the `Gemfile`.

## Adding a plugin

The Just the Docs theme automatically includes the [`jekyll-seo-tag`] plugin.

To add an extra plugin, you need to add it in the `Gemfile` *and* in `_config.yml`. For example, to add [`jekyll-default-layout`]:

- Add the following to your site's `Gemfile`:

```ruby
gem "jekyll-default-layout"
```

- And add the following to your site's `_config.yml`:

```yaml
plugins:
- jekyll-default-layout
```
Note: If you are using a Jekyll version less than 3.5.0, use the `gems` key instead of `plugins`.

## Publishing your site on GitHub Pages

1. If your created site is `YOUR-USERNAME/YOUR-SITE-NAME`, update `_config.yml` to:

```yaml
title: YOUR TITLE
description: YOUR DESCRIPTION
theme: just-the-docs
url: https://YOUR-USERNAME.github.io/YOUR-SITE-NAME
aux_links: # remove if you don't want this link to appear on your pages
Template Repository: https://github.com/YOUR-USERNAME/YOUR-SITE-NAME
```shell
$ bundle exec jekyll serve
```

1. Open in a browser at http://localhost:4000

2. Push your updated `_config.yml` to your site on GitHub.

3. In your newly created repo on GitHub:
- go to the `Settings` tab -> `Pages` -> `Build and deployment`, then select `Source`: `GitHub Actions`.
- if there were any failed Actions, go to the `Actions` tab and click on `Re-run jobs`.
## Running locally - one time setup

## Building and previewing your site locally
The following steps configure Jekyll to run within Windows System for Linux.

Assuming [Jekyll] and [Bundler] are installed on your computer:
Prerequisites:
* make sure you are on Ubuntu 20.04.5 LTS or later

1. Change your working directory to the root directory of your site.

2. Run `bundle install`.

3. Run `bundle exec jekyll serve` to build your site and preview it at `localhost:4000`.

The built site is stored in the directory `_site`.

## Publishing your built site on a different platform

Just upload all the files in the directory `_site`.

## Customization

You're free to customize sites that you create with this template, however you like!

[Browse our documentation][Just the Docs] to learn more about how to use this theme.

## Hosting your docs from an existing project repo

You might want to maintain your docs in an existing project repo. Instead of creating a new repo using the [just-the-docs template](https://github.com/just-the-docs/just-the-docs-template), you can copy the template files into your existing repo and configure the template's Github Actions workflow to build from a `docs` directory. You can clone the template to your local machine or download the `.zip` file to access the files.

### Copy the template files

1. Create a `.github/workflows` directory at your project root if your repo doesn't already have one. Copy the `pages.yml` file into this directory. GitHub Actions searches this directory for workflow files.

2. Create a `docs` directory at your project root and copy all remaining template files into this directory.

### Modify the GitHub Actions workflow

The GitHub Actions workflow that builds and deploys your site to Github Pages is defined by the `pages.yml` file. You'll need to edit this file to that so that your build and deploy steps look to your `docs` directory, rather than the project root.

1. Set the default `working-directory` param for the build job.

```yaml
build:
runs-on: ubuntu-latest
defaults:
run:
working-directory: docs
```shell
$ lsb_release -a
```

2. Set the `working-directory` param for the Setup Ruby step.
* Identify exactly which version of Ruby and Bundler is used in the GitHub Pages Actions in order to replicate the same environment locally.

```yaml
- name: Setup Ruby
uses: ruby/setup-ruby@v1
with:
ruby-version: '3.1'
bundler-cache: true
cache-version: 0
working-directory: '${{ github.workspace }}/docs'
```
Steps:

3. Set the path param for the Upload artifact step:
1. Install ruby-install as per https://github.com/postmodern/ruby-install#readme
* you can download to a Downloads folder, it'll install as a globally available command when running make.
```yaml
- name: Upload artifact
uses: actions/upload-pages-artifact@v1
with:
path: "docs/_site/"
1. Install ruby:
```shell
$ ruby-install
$ sudo ruby-install --system ruby 3.1.4 # or whichever version is used on GitHub Pages
$ ruby -v
```
4. Modify the trigger so that only changes within the `docs` directory start the workflow. Otherwise, every change to your project (even those that don't affect the docs) would trigger a new site build and deploy.
1. Update your `.bashrc` so gems to be installed locally as per https://jekyllrb.com/docs/troubleshooting/#no-sudo
1. Make sure you've got the correct version of bundler:

```yaml
on:
push:
branches:
- "main"
paths:
- "docs/**"
```shell
$ gem install bundler --version "2.3.26" # or whichever version is used on GitHub Pages
```

## Licensing and Attribution
1. Install node.js (needed by execjs, used by Katex) as per https://learn.microsoft.com/en-us/windows/dev-environment/javascript/nodejs-on-wsl

This repository is licensed under the [MIT License]. You are generally free to reuse or extend upon this code as you see fit; just include the original copy of the license (which is preserved when you "make a template"). While it's not necessary, we'd love to hear from you if you do use this template, and how we can improve it for future use!
1. Checkout and cd into the project

The deployment GitHub Actions workflow is heavily based on GitHub's mixed-party [starter workflows]. A copy of their MIT License is available in [actions/starter-workflows].
1. Do bundle install

----

[^1]: [It can take up to 10 minutes for changes to your site to publish after you push the changes to GitHub](https://docs.github.com/en/pages/setting-up-a-github-pages-site-with-jekyll/creating-a-github-pages-site-with-jekyll#creating-your-site).
```shell
$ bundle install
```

[Jekyll]: https://jekyllrb.com
[Just the Docs]: https://just-the-docs.github.io/just-the-docs/
[GitHub Pages]: https://docs.github.com/en/pages
[GitHub Pages / Actions workflow]: https://github.blog/changelog/2022-07-27-github-pages-custom-github-actions-workflows-beta/
[Bundler]: https://bundler.io
[use this template]: https://github.com/just-the-docs/just-the-docs-template/generate
[`jekyll-default-layout`]: https://github.com/benbalter/jekyll-default-layout
[`jekyll-seo-tag`]: https://jekyll.github.io/jekyll-seo-tag
[MIT License]: https://en.wikipedia.org/wiki/MIT_License
[starter workflows]: https://github.com/actions/starter-workflows/blob/main/pages/jekyll.yml
[actions/starter-workflows]: https://github.com/actions/starter-workflows/blob/main/LICENSE

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