ci: use env vars in save docker artifacts step

Author: cardoso

.github/actions/build-docker/action.yml

@@ -156,19 +156,23 @@ runs:
     - name: Save Docker image as artifact
       if: inputs.publish-image == 'false' && inputs.arch == 'amd64'
       shell: bash
+      env:
+        SERVICE: ${{ inputs.service }}
+        ARCH: ${{ inputs.arch }}
+        TYPE: ${{ inputs.type }}
       run: |
         set -o xtrace
 
         # Get image name from docker-compose-ci.yml
-        IMAGE=$(docker compose -f docker-compose-ci.yml config --format json 2>/dev/null | jq -r --arg s "${{ inputs.service }}" '.services[$s].image')
+        IMAGE=$(docker compose -f docker-compose-ci.yml config --format json 2>/dev/null | jq -r --arg s "$SERVICE" '.services[$s].image')
 
         # Create directory for image archives
         mkdir -p /tmp/docker-images
 
         # Save the image to a tar file
-        docker save "${IMAGE}" -o "/tmp/docker-images/${{ inputs.service }}-${{ inputs.arch }}-${{ inputs.type }}.tar"
+        docker save "${IMAGE}" -o "/tmp/docker-images/${SERVICE}-${ARCH}-${TYPE}.tar"
 
-        echo "Saved image to /tmp/docker-images/${{ inputs.service }}-${{ inputs.arch }}-${{ inputs.type }}.tar"
+        echo "Saved image to /tmp/docker-images/${SERVICE}-${ARCH}-${TYPE}.tar"
         ls -lh /tmp/docker-images/
 
     - name: Upload Docker image artifact