Update release-tag.yaml

Author: mchadwick-iqt

.github/workflows/release-tag.yaml

@@ -5,28 +5,31 @@ on:
     types: [ "published" ]
 
 jobs:
-  tag-remote:
+  push_to_registry:
+    name: Push Docker image to DockerHub
     runs-on: ubuntu-latest
     steps:
-    - name: Set up Docker buildx
-      id: buildx
-      uses: docker/setup-buildx-action@v2
-      with:
-        version: latest
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
-    - name: Login to Docker Hub
-      run: echo "${{ secrets.DOCKER_TOKEN }}" | docker login --username "${{ vars.DOCKER_USERNAME }}" --password-stdin
+      - name: Set up Docker buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          version: latest
 
-    - name: Build image
-      env: 
-        GITHUB_REPOSITORY: ${{ github.repository }}
-        DOCKER_FOLDER: "object-ledger"
-        DOCKER_NAMESPACE: ${{ vars.DOCKER_NAMESPACE }}
-        RELEASE_NAME: ${{ github.event.release.name }}
-      run: |
-        GITHUB_REPO=$(basename $GITHUB_REPOSITORY)
-        docker buildx build $DOCKER_FOLDER \
-        --platform linux/arm64,linux/amd64 \
-        --push \
-        --tag $DOCKER_NAMESPACE/$GITHUB_REPO:latest \
-        --tag $DOCKER_NAMESPACE/$GITHUB_REPO:$RELEASE_NAME
+      - name: Log in to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ vars.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        env: 
+          DOCKER_FOLDER: "object-ledger"
+        with:
+          context: ${{ env.DOCKER_FOLDER }}
+          platforms: linux/arm64,linux/amd64
+          push: true
+          tags: ${{ vars.DOCKER_NAMESPACE }}/${{ github.event.repository.name }}:${{ github.event.release.name }}