name: Docker

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  push:
    branches: [ master ]
    # Publish vX.X.X tags as releases.
    tags: [ 'v*.*.*' ]

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}


jobs:
  build-dockerhub:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v2

      - name: Get Version
        shell: bash
        run: |
          echo "::set-output name=identifier::$(echo ${GITHUB_REF##*/})"
          echo "::set-output name=hash::$(echo ${GITHUB_SHA} | cut -c1-7)"
        id: get_version

      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: h44z/wg-portal
          flavor: |
            latest=true
            prefix=
            suffix=
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=semver,pattern={{version}}

      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            BUILD_IDENTIFIER=${{ steps.get_version.outputs.identifier }}
            BUILD_VERSION=${{ steps.get_version.outputs.hash }}

  build-github:
    name: Push Docker image to Github Container Registry
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Get Version
        shell: bash
        run: |
          echo "::set-output name=identifier::$(echo ${GITHUB_REF##*/})"
          echo "::set-output name=hash::$(echo ${GITHUB_SHA} | cut -c1-7)"
        id: get_version

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: |
            latest=true
            prefix=
            suffix=
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=semver,pattern={{version}}

      # Build and push Docker image with Buildx (don't push on PR)
      # https://github.com/docker/build-push-action
      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            BUILD_IDENTIFIER=${{ steps.get_version.outputs.identifier }}
            BUILD_VERSION=${{ steps.get_version.outputs.hash }}