reusable-build.yml

name: Build image and export artifact

on:
  workflow_call:
    secrets:
      slack_alert_webhook:
        description: "used to post alerts to slack channel"
        required: true

jobs:
  build-and-export:
    name: Build and export docker image artifact # https://docs.docker.com/build/ci/github-actions/share-image-jobs/
    runs-on: ubuntu-latest
    permissions:
      id-token: write # This is required for requesting the JWT
      contents: read # This is required for actions/checkout
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and export
        uses: docker/build-push-action@v6
        with:
          tags: fmd-image:latest
          outputs: type=docker,dest=/tmp/fmd-image.tar

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: fmd-image
          path: /tmp/fmd-image.tar

      - name: Slack failure notification
        if: ${{ failure() && github.ref == 'refs/heads/main' }}
        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
        with:
          payload: |
            {"blocks":[{"type": "section","text": {"type": "mrkdwn","text": ":no_entry: Failed GitHub Action:"}},{"type": "section","fields":[{"type": "mrkdwn","text": "*Workflow:*\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|${{ github.workflow }}>"},{"type": "mrkdwn","text": "*Job:*\n${{ github.job }}"},{"type": "mrkdwn","text": "*Repo:*\n${{ github.repository }}"}]}]}
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_ALERT_WEBHOOK }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK