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.github/workflows/main.yml

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+name: Build images
+
+on:
+  push:
+    paths:
+      - 'Dockerfile'
+      - '.dockerignore'
+      - '.github/workflows/main.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name || github.run_id }}
+  cancel-in-progress: true
+
+env:
+  IMAGE_REGISTRY_NAMESPACE: alfresco
+  IMAGE_REPOSITORY: mailhog
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0
+
+      - uses: docker/setup-buildx-action@2b51285047da1547ffb1b2203d8be4c0af6b1f20 # v3.2.0
+
+      - name: Login to quay.io
+        if: github.actor != 'dependabot[bot]'
+        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
+
+      - name: Login to docker.io
+        if: github.ref_name == 'master'
+        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - id: vars
+        name: Compute Docker vars
+        run: |
+          if [[ "${{ github.ref_name }}" == "main" ]]; then
+            echo "image_labels=" >> $GITHUB_OUTPUT
+          else
+            echo "image_labels=quay.expires-after=2w" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            quay.io/${{ env.IMAGE_REGISTRY_NAMESPACE }}/${{ env.IMAGE_REPOSITORY }}
+          tags: |
+            type=schedule,pattern={{date 'YYYYMMDD'}}
+            type=ref,event=branch
+          labels: |
+            ${{ steps.vars.outputs.image_labels }}
+
+      - name: Build and Push to quay.io
+        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
+        with:
+          push: ${{ github.actor != 'dependabot[bot]' }}
+          platforms: linux/amd64,linux/arm64/v8
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          provenance: false
+
+      - name: Push Image to docker.io
+        if: github.ref_name == 'master'
+        env:
+          SRC_IMAGE: quay.io/${{ env.IMAGE_REGISTRY_NAMESPACE }}/${{ env.IMAGE_REPOSITORY }}:${{ steps.vars.outputs.image_tag }}
+          DST_IMAGE: ${{ env.IMAGE_REGISTRY_NAMESPACE }}/${{ env.IMAGE_REPOSITORY }}:${{ steps.vars.outputs.image_tag }}
+        run: |
+          docker buildx imagetools create ${{ env.SRC_IMAGE }} -t ${{ env.DST_IMAGE }}