Merge pull request #256 from creative-commoners/pulls/master/module-s… #59
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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 |