diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
new file mode 100644
index 0000000..1d7597d
--- /dev/null
+++ b/.github/actions/setup/action.yml
@@ -0,0 +1,15 @@
+---
+name: Setup
+description: Setup Node.js and install dependencies.
+
+runs:
+  using: composite
+  steps:
+    - name: Setup Node.js
+      uses: actions/setup-node@v2
+      with:
+        cache: npm
+        node-version: '16'
+    - name: Install dependencies
+      shell: bash
+      run: npm ci
diff --git a/.github/workflows/codespaces.yml b/.github/workflows/codespaces.yml
new file mode 100644
index 0000000..bbf8a17
--- /dev/null
+++ b/.github/workflows/codespaces.yml
@@ -0,0 +1,52 @@
+---
+name: codespaces
+
+on:
+  push:
+    branches:
+      - master
+      - codespaces
+
+jobs:
+  dotfiles:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+      - uses: webfactory/ssh-agent@v0.5.4
+        with:
+          ssh-private-key: ${{ secrets.DEPLOY_KEY }}
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v3
+        id: import_gpg
+        with:
+          git-user-signingkey: true
+          git-commit-gpgsign: true
+          git-committer-name: ${{ secrets.GIT_USER_NAME }}
+          git-committer-email: ${{ secrets.GIT_USER_EMAIL }}
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Setup
+        uses: ./.github/actions/setup
+      - name: Build
+        run: npm run codespaces
+      - name: Publish latest
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          deploy_key: ${{ secrets.CODESPACES_DEPLOY_KEY }}
+          publish_dir: .codespaces
+          keep_files: true
+          external_repository: razor-x/dotfiles
+          publish_branch: master
+          user_name: ${{ secrets.GIT_USER_NAME }}
+          user_email: ${{ secrets.GIT_USER_EMAIL }}
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          cache: npm
+          node-version: '16'
+      - name: Install dependencies
+        shell: bash
+        run: npm ci
diff --git a/.gitignore b/.gitignore
index 020eef4..8528a19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.codespaces
 Gemfile.lock
 npm-debug.log
 bower_components/
diff --git a/codespaces/README.md b/codespaces/README.md
new file mode 100644
index 0000000..ef9dff4
--- /dev/null
+++ b/codespaces/README.md
@@ -0,0 +1,7 @@
+# Codespaces dotfiles
+
+My dotfiles for [GitHub Codespaces].
+Generated from a subset of my [personal dotfiles].
+
+[GitHub Codespaces]: https://github.com/features/codespaces
+[personal dotfiles]: https://github.com/rxrc/dotfiles
diff --git a/codespaces/manifest.js b/codespaces/manifest.js
new file mode 100644
index 0000000..798cc04
--- /dev/null
+++ b/codespaces/manifest.js
@@ -0,0 +1,44 @@
+'use strict'
+
+const os = require('os')
+const path = require('path')
+const fs = require('fs')
+
+const host = 'codespaces'
+const rxrc = 'node_modules/@rxrc'
+
+const targetRoot = path.resolve('.codespaces')
+
+const ioType = 'linux'
+const pkgType = 'noop'
+
+const defaults = {
+  dmode: '0750',
+  fmode: '0640',
+  user: 'razorx',
+  group: 'razorx'
+}
+
+const unlinks = []
+
+const directories = []
+
+const files = [{
+  src: 'codespaces/README.md',
+  dst: 'README.md'
+}, {
+  src: 'LICENSE.txt'
+}]
+
+const symlinks = []
+
+module.exports = async () => ({
+  unlinks,
+  directories,
+  files,
+  symlinks,
+  targetRoot,
+  ioType,
+  pkgType,
+  defaults
+})
diff --git a/package.json b/package.json
index d95cdd5..1660892 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   },
   "scripts": {
     "start": "curator",
-    "codespaces": "curator",
+    "codespaces": "curator codespaces/manifest.js",
     "postversion": "git push && git push --tags"
   },
   "dependencies": {