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Merged
fulldecent merged 2 commits into from
Aug 24, 2026
Merged

codespace: static ruby version #191

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80847ee
codespace: static ruby version
fulldecent Aug 24, 2026
8a17dca
ruby 3.3
fulldecent Aug 24, 2026
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12 changes: 3 additions & 9 deletions .devcontainer/devcontainer.json
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Original file line number Diff line number Diff line change
@@ -1,25 +1,19 @@
// Documentation:
// - https://github.com/devcontainers/images/tree/main/src/jekyll
// - https://github.com/devcontainers/images/tree/main/src/jekyll # Don't use, it pegs Ruby 3.4
// - https://github.com/devcontainers/features/tree/main/src/node
// - https://code.visualstudio.com/docs/remote/ssh#_always-installed-extensions

{
"name": "Jekyll",
"image": "mcr.microsoft.com/devcontainers/jekyll",
"image": "mcr.microsoft.com/devcontainers/ruby:3.3-bookworm", // We want 3.3.4 exactly but let's try this
"features": {
// Install rbenv (no Ruby yet); postCreateCommand installs the version from .ruby-version
"ghcr.io/devcontainers/features/ruby:2": {
"version": "none",
"versionManager": "rbenv"
},
// This feature cannot read .node-version, so update this pin alongside that file
"ghcr.io/devcontainers/features/node:2": {
"version": "24",
"pnpmVersion": "none", // We use Yarn 4 via Corepack
"installYarnUsingApt": false // We use Yarn 4 via Corepack
}
},
"postCreateCommand": "/bin/bash -c 'set -e; rbenv install --skip-existing; rbenv rehash; npm install -g corepack; corepack enable; corepack prepare yarn@4.18.0 --activate; yarn install --immutable; bundle install'",
"postCreateCommand": "/bin/sh -c 'set -e; npm install -g corepack; corepack enable; corepack prepare yarn@4.18.0 --activate; yarn install --immutable; bundle install'",
"customizations": {
"vscode": {
"extensions": ["html-validate.vscode-html-validate"]
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -114,7 +114,7 @@ Also you can run this to update your environment to match the GitHub Pages (no P
bundle update --conservative # "--consersative" ignores updates that GitHub Pages is not using
```

Keep [.ruby-version](.ruby-version) matching [the Ruby that GitHub Pages runs](https://pages.github.com/versions/) (used by CI, the dev container, and rbenv locally):
Keep [.ruby-version](.ruby-version) matching [the Ruby that GitHub Pages runs](https://pages.github.com/versions.json) (used by CI, the dev container, and rbenv locally):

```sh
curl -s https://pages.github.com/versions.json | jq -r .ruby > .ruby-version # Send PR if changed
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