name: Release Docker Image

on:
  release:
    types: [ published ]
  schedule:
    - cron: "0 0 * * *" # every day at midnight

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  check-latest-run:
    runs-on: "ubuntu-latest"
    steps:
      - uses: octokit/request-action@v2.x
        id: check_last_run
        with:
          route: GET /repos/${{github.repository}}/actions/workflows/release-docker.yml/runs?per_page=1&status=completed
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    outputs:
      last_sha: ${{ fromJson(steps.check_last_run.outputs.data).workflow_runs[0].head_sha }}

  docker:
    name: Push Docker image to Docker Hub
    if: needs.check-latest-run.outputs.last_sha != github.sha
    runs-on: ubuntu-latest
    needs: [ check-latest-run ]

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

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

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

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ignitehq/cli
          # push to ignitehq/cli:latest on every push to master
          # push to ignitehq/cli:vx.x.x on every release published
          tags: |
            type=raw,value=latest
            type=semver,pattern=v{{version}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          push: true
          context: .
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}