Merge pull request #4 from rails/publish-images

Basic workflow for prebuilding images

.github/workflows/build-and-publish-images.yaml

@@ -0,0 +1,54 @@
+name: Build and Publish Images
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build Images
+
+    strategy:
+      fail-fast: false
+      matrix:
+        RUBY_VERSION:
+          - 3.3.0
+          - 3.2.2
+          - 3.2.1
+          - 3.2.0
+          - 3.1.4
+          - 3.1.3
+          - 3.1.2
+          - 3.1.1
+          - 3.1.0
+          - 3.0.6
+          - 3.0.5
+          - 3.0.4
+          - 3.0.3
+          - 3.0.2
+          - 3.0.1
+          - 3.0.0
+
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: Checkout (GitHub)
+        uses: actions/checkout@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Pre-build Dev Container Image
+        uses: devcontainers/[email protected]
+        env:
+          RUBY_VERSION: ${{ matrix.RUBY_VERSION }}
+        with:
+          imageName: ghcr.io/rails/devcontainer/images/ruby
+          cacheFrom: ghcr.io/rails/devcontainer/images/ruby
+          imageTag: 0.1.0-${{ matrix.RUBY_VERSION }}
+          subFolder: images/ruby
+          push: always

images/ruby/.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/devcontainers/base:1-bookworm
+
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    # Remove imagemagick due to https://security-tracker.debian.org/tracker/CVE-2019-10131
+    && apt-get purge -y imagemagick imagemagick-6-common

images/ruby/.devcontainer/devcontainer.json

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+{
+  "build": {
+    "dockerfile": "./Dockerfile",
+    "context": "."
+  },
+  "features": {
+    "ghcr.io/devcontainers/features/common-utils:2": {
+      "installZsh": "true",
+      "username": "vscode",
+      "userUid": "1000",
+      "userGid": "1000",
+      "upgradePackages": "true"
+    },
+    "ghcr.io/devcontainers/features/git:1": {
+      "version": "latest",
+      "ppa": "false"
+    },
+    "ghcr.io/rails/devcontainer/features/ruby:0.1.0": {
+      "version": "${localEnv:RUBY_VERSION}"
+    }
+  },
+  // Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+  "remoteUser": "vscode"
+}