name: Publish Docker Image

on:
  push:
    branches:
      - 'master'
      - 'development'
    tags:
      - '*'

env:
  # github.repository as <account>/<repo>
  IMAGE_NAME: lbryfoundation/hub

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

#      # Install the cosign tool except on PR
#      # https://github.com/sigstore/cosign-installer
#      - name: Install cosign
#        if: github.event_name != 'pull_request'
#        uses: sigstore/cosign-installer@d6a3abf1bdea83574e28d40543793018b6035605
#        with:
#          cosign-release: 'v1.7.1'

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      # 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@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v2
        with:
          images: ${{ env.IMAGE_NAME }}

      # 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
        id: build-and-push
        uses: docker/build-push-action@v3
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ env.IMAGE_NAME }}:${{ github.ref_name }}

#      # Sign the resulting Docker image digest except on PRs.
#      # This will only write to the public Rekor transparency log when the Docker
#      # repository is public to avoid leaking data.  If you would like to publish
#      # transparency data even for private images, pass --force to cosign below.
#      # https://github.com/sigstore/cosign
#      - name: Sign the published Docker image
#        if: ${{ github.event_name != 'pull_request' }}
#        env:
#          COSIGN_EXPERIMENTAL: "true"
#        # This step uses the identity token to provision an ephemeral certificate
#        # against the sigstore community Fulcio instance.
#        run: cosign sign ${{ steps.meta.outputs.tags }}@${{ steps.build-and-push.outputs.digest }}