Update docker-image.yml

Author: aexel90

.github/workflows/docker-image.yml

@@ -1,18 +1,59 @@
-name: Docker Image CI
+name: Create and publish a Docker image
+
+env:
+  BUILD_PLATFORM: |
+    linux/arm/v7
+    linux/arm64
+    linux/amd64
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 on:
   push:
     branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
 
 jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
 
-  build:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
 
-    runs-on: ubuntu-latest
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3
 
-    steps:
-    - uses: actions/checkout@v3
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag hue_exporter:$(date +%s)
+      - name: Tag Image
+        id: tag_image
+        run: |
+          DOCKER_REPOSITORY=${{ env.REGISTRY }}/${{ github.repository }}
+          DOCKER_REPOSITORY=$(echo $DOCKER_REPOSITORY | tr '[A-Z]' '[a-z]')
+          DOCKER_TAG=latest 
+          echo "docker_repository=${DOCKER_REPOSITORY}" >> $GITHUB_OUTPUT
+          echo "docker_tag=${DOCKER_TAG}" >> $GITHUB_OUTPUT
+
+      - name: Log into registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: ${{ env.BUILD_PLATFORM }}
+          tags: |
+            ${{ steps.tag_image.outputs.docker_repository }}:${{ steps.tag_image.outputs.docker_tag }}
+            ${{ steps.tag_image.outputs.docker_repository }}:${{ github.sha }}