Add README documentation for devcontainer image #12
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| name: Build and Push Devcontainer Image | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - 'devcontainer/**' | |
| - '.github/workflows/build-devcontainer-image.yml' | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - 'devcontainer/**' | |
| - '.github/workflows/build-devcontainer-image.yml' | |
| workflow_run: | |
| workflows: ["Build and Push Base Image"] | |
| types: | |
| - completed | |
| branches: | |
| - main | |
| workflow_dispatch: | |
| env: | |
| REGISTRY: ghcr.io | |
| IMAGE_NAME: ${{ github.repository }}/devcontainer | |
| jobs: | |
| build-and-push: | |
| runs-on: ubuntu-latest | |
| if: ${{ github.event_name != 'workflow_run' || github.event.workflow_run.conclusion == 'success' }} | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log in to Container Registry | |
| if: github.event_name != 'pull_request' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Determine base image tag | |
| id: base-tag | |
| run: | | |
| if [ "${{ github.event_name }}" = "workflow_run" ]; then | |
| echo "tag=sha-$(echo ${{ github.event.workflow_run.head_sha }} | cut -c1-7)" >> $GITHUB_OUTPUT | |
| else | |
| echo "tag=latest" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Extract metadata for Docker | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| tags: | | |
| type=ref,event=branch | |
| type=ref,event=pr | |
| type=sha,prefix=sha- | |
| type=raw,value=latest,enable={{is_default_branch}} | |
| - name: Build and push Docker image | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./devcontainer | |
| push: ${{ github.event_name != 'pull_request' }} | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| build-args: | | |
| BASE_IMAGE_TAG=${{ steps.base-tag.outputs.tag }} | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max |