Merge pull request #257 from creative-commoners/pulls/master/docs-first #58
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| name: Publish Docker image | |
| on: | |
| push: | |
| branches: | |
| - master | |
| tags: | |
| - '*' | |
| jobs: | |
| build: | |
| name: Docker image build and publish | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v2 | |
| - name: Build image | |
| run: | | |
| # The following AWK command removes first two parts of the value delimited by slash | |
| # As such, "ref/tags/1.0" becomes "1.0", but "ref/heads/feature/foo" becomes "feature/foo" | |
| export COW_VERSION=$(echo $GITHUB_REF | awk '{ n=split($0, parts, "/"); result = ""; for(i=3; i<=n; ++i){result = result "/" parts[i] }; print substr(result, 2) }') | |
| if [[ "$GITHUB_REF" == "refs/heads/"* ]] ; then | |
| COMPOSER_COW_VERSION="dev-$COW_VERSION"; | |
| else | |
| COMPOSER_COW_VERSION="$COW_VERSION" | |
| fi | |
| # Log/Debug output | |
| echo "Building version: $COW_VERSION" | |
| # The next line preserves $COW_VERSION across the steps | |
| echo "COW_VERSION=$COW_VERSION" >> $GITHUB_ENV | |
| # Building a new image and tag it as "cow-image" | |
| docker build -t 'cow-image' --target stable --build-arg COW_VERSION=$COMPOSER_COW_VERSION - < docker/Dockerfile | |
| - name: Log into GitHub Packages registry | |
| run: | | |
| # The security token is issued automatically by GitHub for GitHub Actions of the same repository | |
| echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin | |
| - name: Push image | |
| run: | | |
| if [[ "$GITHUB_REF" == "refs/heads/master" ]] ; then | |
| # If it's master, release a timestamp version | |
| IMAGE_ID=ghcr.io/${{ github.repository }}/master | |
| VERSION=$(date +%s) | |
| elif [[ "$GITHUB_REF" == "refs/tags/"* ]] ; then | |
| # If it's a tag, name it "release" and use the tag as the release version | |
| IMAGE_ID=ghcr.io/${{ github.repository }}/release | |
| VERSION=$COW_VERSION | |
| else | |
| # If it's a branch, use the branch name and timestamp as the version | |
| # WARNING: branch names out of [0-9a-z_-] won't work | |
| # Also, see "on.push.branches" rule at the top of this file (only whitelisted branches would get here) | |
| IMAGE_ID=ghcr.io/${{ github.repository }}/$COW_VERSION | |
| VERSION=$(date +%s) | |
| fi | |
| echo "Publishing $IMAGE_ID:$VERSION" | |
| docker tag cow-image $IMAGE_ID:$VERSION | |
| docker tag cow-image $IMAGE_ID:latest | |
| docker push $IMAGE_ID:$VERSION | |
| docker push $IMAGE_ID:latest |