GitHub Actionsでのパッケージの公開とインストール

#
name: Create and publish a Docker image

# Configures this workflow to run every time a change is pushed to the branch called `release`.
on:
  push:
    branches: ['release']

jobs:
# This job checks out the repository contents, installs `npm`, uses npm and webpack to build the app, and uploads the built files as an artifact that can be downloaded later in the workflow.
# It assumes that the built files are written to a directory called `public`.
  run-npm-build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: npm install and build webpack
        run: |
          npm install
          npm run build
      - uses: actions/upload-artifact@v3
        with:
          name: webpack artifacts
          path: public/

# This job uses `npm test` to test the code. `needs: run-npm-build` makes this job dependent on the `run-npm-build` job.
  run-npm-test:
    runs-on: ubuntu-latest
    needs: run-npm-build
    strategy:
      matrix:
        os: [ubuntu-latest]
        node-version: [14.x, 16.x]
    steps:
      - uses: actions/checkout@v4
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}
      - uses: actions/download-artifact@v3
        with:
          name: webpack artifacts
          path: public
      - name: npm install, and test
        run: |
          npm install
          npm test
        env:
          CI: true

# This job publishes the package. `needs: run-npm-test` makes this job dependent on the `run-npm-test` job.
  build-and-push-image:
    runs-on: ubuntu-latest
    needs: run-npm-test 
    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
    permissions:
      contents: read
      packages: write 
      #
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      # Uses the `docker/login-action` action to log in to the registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
      - name: Log in to GitHub Docker Registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: docker.pkg.github.com
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
      # It uses the `tags` parameter to tag the image with the SHA of the commit that triggered the workflow.
      - name: Build and push Docker image
        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
        with:
          push: true
          tags: |
            docker.pkg.github.com/${{ github.repository }}/octo-image:${{ github.sha }}

#
name: Demo Push

# This workflow runs when any of the following occur:
# - A push is made to a branch called `main` or `seed`
# - A tag starting with "v" is created
# - A pull request is created or updated
on:
  push:
    branches:
      - main
      - seed
    tags:
      - v*
  pull_request:
  # This creates an environment variable called `IMAGE_NAME ` with the value `ghtoken_product_demo`.
env:
  IMAGE_NAME: ghtoken_product_demo
#
jobs:
  # This pushes the image to GitHub Packages.
  push:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      #
    steps:
      - uses: actions/checkout@v4

      - name: Build image
        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"

      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
        #
      - name: Push image
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

          # This changes all uppercase characters to lowercase.
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
          # This strips the git ref prefix from the version.
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          # This strips the "v" prefix from the tag name.
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          # This uses the Docker `latest` tag convention.
          [ "$VERSION" == "main" ] && VERSION=latest
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION
          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION