main.yml

name: Create and publish a Docker image

on:
  push:
    branches:
      - main

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4.2.1

      - name: Get Next Semver Version
        id: semver
        uses: ietf-tools/semver-action@v1.8.0
        with:
          token: ${{ github.token }}
          branch: main
          noVersionBumpBehavior: warn

      - name: Create Tag
        uses: rickstaa/action-create-tag@v1.7.2
        if: ${{ steps.semver.outputs.nextStrict != '' }}
        with:
          tag: ${{ steps.semver.outputs.nextStrict }}
          tag_exists_error: false
          message: "Automatic tag ${{ steps.semver.outputs.nextStrict }}"

      - name: Update CHANGELOG
        id: changelog
        uses: requarks/changelog-action@v1.10.2
        if: ${{ steps.semver.outputs.nextStrict != '' }}
        with:
          token: ${{ github.token }}
          fromTag: ${{ steps.semver.outputs.nextStrict }}
          toTag: ${{ steps.semver.outputs.current }}
          excludeTypes: "chore,ci,docs,style,test,release"

      - name: Create Release
        uses: ncipollo/release-action@v1.14.0
        id: release
        if: ${{ steps.semver.outputs.nextStrict != '' }}
        with:
          allowUpdates: true
          draft: false
          makeLatest: true
          name: ${{ steps.semver.outputs.nextStrict }}
          tag: ${{ steps.semver.outputs.nextStrict }}
          body: ${{ steps.changelog.outputs.changes }}
          token: ${{ github.token }}

      - name: Commit CHANGELOG.md
        uses: stefanzweifel/git-auto-commit-action@v5.0.1
        if: ${{ steps.semver.outputs.nextStrict != '' }}
        with:
          branch: main
          commit_message: "release: changelog for ${{ steps.semver.outputs.nextStrict }} [skip ci]"
          file_pattern: CHANGELOG.md

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3.7.1

      - name: Log in to the Container registry
        uses: docker/login-action@v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5.5.1
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@v6.9.0
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.semver.outputs.nextStrict }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          labels: ${{ steps.meta.outputs.labels }}
          annotations: ${{ steps.meta.outputs.annotations }}