Fix github actions (#10)

Signed-off-by: Annanay <annanayagarwal@gmail.com>

Author: annanay25

.github/workflows/dockerimage.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Build the Docker image
-      run: docker build .
+      run: docker build . -t build
     - name: Push the Docker image
       if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/')
       run: |