update buildx action

Author: wollomatic

.github/workflows/docker-image-testing.yaml

@@ -30,28 +30,41 @@ jobs:
       - name: Run Go tests
         run: go test ./...
 
-
 #      - name: Install Cosign
 #        uses: sigstore/cosign-installer@v3.9.2
 #        with:
 #          cosign-release: 'v2.5.3'
-#
-#      - name: Set up Docker Buildx
-#        uses: docker/setup-buildx-action@v3
-#
-#      - name: Login to Docker Hub
-#        uses: docker/login-action@v3
-#        with:
-#          username: ${{ secrets.DOCKERHUB_USERNAME }}
-#          password: ${{ secrets.DOCKERHUB_TOKEN }}
-#
-#      - name: Login to GitHub Container Registry
-#        uses: docker/login-action@v3
-#        with:
-#          registry: ghcr.io
-#          username: ${{ github.actor }}
-#          password: ${{ secrets.GITHUB_TOKEN }}
-#
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push image to Docker Hub and GHCR
+        uses: docker/build-push-action@v6
+        id: push-all
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          push: true
+          build-args: VERSION=testing-${{ github.sha }}
+          tags: |
+            docker.io/wollomatic/socket-proxy:testing
+            docker.io/wollomatic/socket-proxy:testing-${{ github.sha }}
+            ghcr.io/wollomatic/socket-proxy:testing
+            ghcr.io/wollomatic/socket-proxy:testing-${{ github.sha }}
+
 #      - name: Build and push Docker Hub image
 #        uses: docker/build-push-action@v5
 #        id: push-dockerhub