publish-image.yaml

name: Publish docker images

on:
  push:
    branches:
      - '**'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'main'

env:
  DOCKERHUB_IMAGE_NAME: superblocksteam/export-action
  GHCR_IMAGE_NAME: ghcr.io/superblocksteam/export-action

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          # list of Docker images to use as base name for tags
          images: |
            ${{ env.DOCKERHUB_IMAGE_NAME }}
            ${{ env.GHCR_IMAGE_NAME }}
          # generate Docker tags based on the following events/attributes
          tags: |
            # branch event
            type=ref,event=branch
            # pull request event
            type=ref,event=pr
            # tag event, e.g. v1.2.3
            type=ref,event=tag
            # the following are only available for push tag events with valid
            # semver tags
            # https://github.com/docker/metadata-action#typesemver
            # major version, e.g. v1.2.3 -> v1
            type=semver,pattern=v{{major}}
            # minor version, e.g. v1.2.3 -> v1.2
            type=semver,pattern=v{{major}}.{{minor}}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        if: github.event_name == 'push' && github.ref_type == 'tag'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GHCR
        if: github.event_name == 'push' && github.ref_type == 'tag'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name == 'push' && github.ref_type == 'tag' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}