Publish container to ghcr.io

Remove arch linux armv7/v8 docker containers.

.github/workflows/docker.yml

@@ -15,6 +15,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   docker:
     runs-on: ubuntu-latest
@@ -34,27 +38,27 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      #- name: Docker meta
-      #  id: meta
-      #  uses: docker/metadata-action@v5
-      #  with:
-      #    images: |
-      #      mkaczanowski/packer-builder-arm
-      #    tags: |
-      #      type=ref,event=branch
-      #      type=ref,event=pr
-      #      type=match,pattern=v(.*),group=1
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=match,pattern=v(.*),group=1
 
-      #### build+export, test only on PRs
-      #- name: Build and export to Docker
-      #  if: github.event_name == 'pull_request'
-      #  uses: docker/build-push-action@v5
-      #  with:
-      #    context: .
-      #    file: docker/Dockerfile
-      #    load: true
-      #    tags: packer-plugin-cross:test
-      #    labels: ${{ steps.meta.outputs.labels }}
+      ### build+export, test only on PRs
+      - name: Build and export to Docker
+        if: github.event_name == 'pull_request'
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: docker/Dockerfile
+          load: true
+          tags: packer-plugin-cross:test
+          labels: ${{ steps.meta.outputs.labels }}
 
       - name: Install packer plugins
         if: github.event_name == 'pull_request'
@@ -69,36 +73,20 @@ jobs:
           du -h --apparent-size raspberry-pi-4.img
       ####
 
-      # - name: Login to DockerHub
-      #  uses: docker/login-action@v3
-      #  if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags')
-      #  with:
-      #    username: ${{ secrets.DOCKER_USER }}
-      #    password: ${{ secrets.DOCKER_PASSWORD }}
-
-      # - name: Login to GitHub Container Registry
-      #   uses: docker/login-action@v3
-      #   with:
-      #     registry: ghcr.io
-      #     username: ${{ github.repository_owner }}
-      #     password: ${{ secrets.GHCR_IO_REGISTRY_TOKEN }}
-
-      #- name: Build and push
-      #  uses: docker/build-push-action@v5
-      #  if: ${{ github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags') }}
-      #  with:
-      #    context: .
-      #    file: docker/Dockerfile
-      #    platforms: linux/amd64,linux/arm64
-      #    push: true
-      #    tags: ${{ steps.meta.outputs.tags }}
-      #    labels: ${{ steps.meta.outputs.labels }}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-      #- name: Update description
-      #  uses: peter-evans/dockerhub-description@v3
-      #  if: github.ref == 'refs/heads/master'
-      #  with:
-      #    username: ${{ secrets.DOCKER_USER }}
-      #    password: ${{ secrets.DOCKER_PASSWORD }}
-      #    short-description: Packer plugin to build ARM images
-      #    readme-filepath: ./README.md
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        if: ${{ github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags') }}
+        with:
+          context: .
+          file: docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}