docker-publish.yml

name: Publish private-id Docker Image

on:
  push:
    branches: [ main ]
env:
  DISTRO: ubuntu
  REGISTRY: ghcr.io
  LOCAL_IMAGE_NAME: private-id
  LOCAL_IMAGE_TAG: latest
  REGISTRY_IMAGE_NAME: ghcr.io/${{ github.repository }}

jobs:
  push:
    runs-on: ubuntu-latest
    name: Build and publish PID Image
    permissions:
      contents: write
      packages: write

    steps:
      - name: Lowercase REGISTRY_IMAGE_NAME
        id: string
        uses: ASzc/change-string-case-action@v1
        with:
          string: ${{ env.REGISTRY_IMAGE_NAME }}

      - name: Load registry image name into env
        run: echo "REGISTRY_IMAGE_NAME_LOWERCASE=${{ steps.string.outputs.lowercase }}" >> ${GITHUB_ENV}

      - name: Check REGISTRY_IMAGE_NAME_LOWERCASE
        run: echo "env.$REGISTRY_IMAGE_NAME_LOWERCASE"

      - uses: actions/checkout@v2
        name: Checkout Private ID Repo
        with:
          fetch-depth: 0

      - name: Build image
        run: docker build -f ./Dockerfile -t ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} .

      - name: Create version string
        id: create_version
        uses: paulhatch/semantic-version@v4.0.2
        with:
          tag_prefix: "v"
          major_pattern: "((MAJOR))"
          minor_pattern: "((MINOR))"
          format: "${major}.${minor}.${patch}-pre${increment}"

      - name: Add tag to commit
        id: tag_version
        uses: mathieudutour/github-tag-action@v6.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          custom_tag: ${{ steps.create_version.outputs.version_tag }}
          tag_prefix: ""

      # Tests can be added here

      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set output
        id: vars
        run: echo ::set-output name=ref::${GITHUB_REF##*/}

      - name: Tag docker image
        run: |
          docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:${{ github.sha }}
          docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:${{ steps.vars.outputs.ref }}
          docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:latest
          docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:${{ steps.create_version.outputs.version_tag }}

      # Can't create a docker tag of just `0` or `0.0` or `0.0.0`
      - name: Tag docker major version
        if: steps.create_version.outputs.major != 0
        run: docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:${{ steps.create_version.outputs.major }}

      - name: Tag docker major.minor version
        if: steps.create_version.outputs.major != 0 || steps.create_version.outputs.minor != 0
        run: docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:${{ steps.create_version.outputs.major }}.${{ steps.create_version.outputs.minor }}

      - name: Tag docker major.minor.patch version
        if: steps.create_version.outputs.major != 0 || steps.create_version.outputs.minor != 0 || steps.create_version.outputs.patch != 0
        run: docker tag ${{ env.LOCAL_IMAGE_NAME }}:${{ env.LOCAL_IMAGE_TAG }} ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}:${{ steps.create_version.outputs.major }}.${{ steps.create_version.outputs.minor }}.${{ steps.create_version.outputs.patch }}

      - name: Push image to registry
        run: docker push --all-tags ${{ env.REGISTRY_IMAGE_NAME_LOWERCASE }}

      - name: Create release
        uses: "actions/create-release@v1"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          release_name: ${{ steps.create_version.outputs.version_tag }}
          tag_name: ${{ steps.create_version.outputs.version_tag }}