release.yml

name: create new release with changelog

on:
  pull_request:
    branches:
      - 'main'
      - 'master'
    types: [closed]

env:
  DOCKERFILE_PATH: app
  DOCKERFILE_TAG: ${{ github.event.pull_request.head.sha }}
  REGISTRY_PATH: gcr.io/getindata-images-public/docker-atlantis
  REGISTRY_TYPE: "gcr.io" # If not set then will default to Docker Hub
  REGISTRY_USERNAME: _json_key

jobs:
  release:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 100

      - name: Check release label
        id: release-label
        uses: actions-ecosystem/action-release-label@v1.2.0
        if: ${{ github.event.pull_request.merged == true }}

      - name: Get latest tag
        id: get-latest-tag
        uses: actions-ecosystem/action-get-latest-tag@v1.6.0
        if: ${{ steps.release-label.outputs.level != null }}

      - name: Bump semantic version
        id: bump-semver
        uses: actions-ecosystem/action-bump-semver@v1
        if: ${{ steps.release-label.outputs.level != null }}
        with:
          current_version: ${{ steps.get-latest-tag.outputs.tag }}
          level: ${{ steps.release-label.outputs.level }}

      - name: Tag release
        id: tag-relese
        uses: actions-ecosystem/action-push-tag@v1
        if: ${{ steps.release-label.outputs.level != null }}
        with:
          tag: ${{ steps.bump-semver.outputs.new_version }}
          message: "${{ steps.bump-semver.outputs.new_version }}: PR #${{ github.event.pull_request.number }} ${{ github.event.pull_request.title }}"

      - name: Login to registry ${{ env.REGISTRY_TYPE }}
        uses: docker/login-action@v2.1.0
        if: ${{ steps.release-label.outputs.level != null }}
        with:
          registry: ${{ env.REGISTRY_TYPE }}
          username: ${{ env.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Tag final docker image
        if: ${{ steps.release-label.outputs.level != null }}
        run: |
          docker pull ${{ env.REGISTRY_PATH }}:${{ github.event.pull_request.head.sha }}
          docker tag ${{ env.REGISTRY_PATH }}:${{ github.event.pull_request.head.sha }} ${{ env.REGISTRY_PATH }}:${{ steps.bump-semver.outputs.new_version }}
          docker push ${{ env.REGISTRY_PATH }}:${{ steps.bump-semver.outputs.new_version }}

      - name: Generate new release with changelog
        id: release-with-changelog
        uses: fregante/release-with-changelog@v3.6.0
        if: ${{ steps.bump-semver.outputs.new_version != null }}
        with:
          token: "${{ secrets.GITHUB_TOKEN }}"
          exclude: '^chore|^docs|^ci|^build|^refactor|^style|^v?\d+\.\d+\.\d+'
          tag: "${{ steps.bump-semver.outputs.new_version }}"
          title: "Version ${{ steps.bump-semver.outputs.new_version }}"
          commit-template: "- {title} ← {hash}"
          skip-on-empty: true
          template: |
            ### Changelog

            {commits}

            {range}

            The new image is available at ${{ env.REGISTRY_PATH }}:${{ steps.bump-semver.outputs.new_version }} :tada:

      - name: Comment PR
        id: add-comment
        uses: actions-ecosystem/action-create-comment@v1
        if: ${{ steps.bump-semver.outputs.new_version != null }}
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
          body: |
            The new version [${{ steps.bump-semver.outputs.new_version }}](https://github.com/${{ github.repository }}/releases/tag/${{ steps.bump-semver.outputs.new_version }}) has been released :tada: