Update docker-build.yaml

.github/workflows/docker-build.yaml

@@ -7,18 +7,7 @@ on:
   pull_request:
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Build Docker image
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
+  docker-build:
+    uses: scality/workflows/.github/workflows/docker-build.yaml@v1
+    with:
+      name: gh-actions-exporter