Update Dockerfile (#18) #15
Workflow file for this run
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| name: Release to Github Packages. # https://ghcr.io | |
| on: # https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#on | |
| workflow_dispatch: | |
| push: | |
| tags: # This builds for all branches with semantically versioned tags (v0.12.3). | |
| - v* # https://semver.org will fail, if there are any other tags | |
| #release: # Builds only releases. Includes draft and pre-releases. | |
| #types: [created] | |
| #pull_request: # Run 'tests' for any PRs. Default is to not run for first-time contributors: see /settings/actions | |
| env: | |
| TAG_LATEST: true # Encourage users to use a major version (foobar:1) instead of :latest. | |
| # By semantic versioning standards, major changes are changes 'backwards incompatible'. Major upgrades are often rare and prehaps, need attention from the user. | |
| jobs: | |
| # Push image to GitHub Packages. | |
| push: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| packages: write | |
| contents: read | |
| steps: | |
| - uses: actions/checkout@v2 | |
| - name: Build image | |
| run: docker build . --file Dockerfile --tag ${{ github.event.repository.name }} --label "runnumber=${GITHUB_RUN_ID}" | |
| - name: Authenticate with ghcr.io | |
| run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin | |
| - name: Push image | |
| run: | | |
| # Destiination, trsnform to lowercase | |
| IMAGE_ID=$(echo ghcr.io/${{ github.repository }} | tr '[A-Z]' '[a-z]') | |
| function tag_push() { | |
| docker tag ${{ github.event.repository.name }} $IMAGE_ID:$1 | |
| docker push $IMAGE_ID:$1 | |
| } | |
| # Strip git ref prefix from version | |
| VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,') | |
| # trigger is (hopefully semantically) tagged | |
| if [[ "${{ github.ref }}" == "refs/tags/"* ]]; then | |
| # Strip +buildinfo | |
| VERSION=$(cut -d+ -f1 <<< $VERSION) | |
| # Strip "v" prefix from tag name (v1.2.3 to 1.2.3) | |
| VERSION=$(sed -e 's/^v//' <<< $VERSION) | |
| if [[ -z $(cut -sd- -f1 <<< $VERSION) ]]; then # Not a prerelease (not v0.1.2-rc4) | |
| [[ ${TAG_LATEST} == "true" ]] && tag_push latest | |
| tag_push $VERSION # push patch (:1.2.3) | |
| # push minor version (:1.2) | |
| VERSION=$(cut -d. -f -2 <<< $VERSION) | |
| tag_push $VERSION | |
| # major version (:1) | |
| VERSION=$(cut -d. -f -1 <<< $VERSION) | |
| fi | |
| fi | |
| # push normally (and possibly major) | |
| tag_push $VERSION | |
| # Can't push multiple tags at once: https://github.com/docker/cli/issues/267 |