Update config file

.github/workflows/docker-image.yml

@@ -7,31 +7,12 @@ jobs:
     name: Push Docker image to multiple registries
     runs-on: ubuntu-latest
     steps:
-      - 
-        name: Check out the repo
+      - name: Check out the repo
         uses: actions/checkout@v2
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-        with:
-          image: tdenecker/pip-profiler:latest
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v1 
+      - name: Push to Docker Hub
+        uses: docker/build-push-action@v2
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
-      -
-        name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          push: true
-          tag_with_ref: true
-          tags: tdenecker/pip-profiler:latest, 
-      -
-        name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
+          repository: tdenecker/pip-profiler
+          tag_with_ref: true