release.yml

name: Slackbot on release

on:
  workflow_dispatch:
  release:
    types:
      - created

jobs:
  notify_slack:
    runs-on: ubuntu-latest
    name: Notify Slack on Release
    steps:
      - name: Notify Slack on Releases
        uses: slackapi/slack-github-action@v1.27.0
        with:
          payload: |
            {
              "text": "Release notes",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "# Release notes - [${{ github.event.release.tag_name }}](${{ github.event.release.html_url }})"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "${{ github.event.release.body }}"
                  }
                }
              ]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}