used the image name from earlier jobs

Author: thogue12

.github/workflows/push-docker-image.yml

@@ -42,7 +42,7 @@ jobs:
       # Build Docker Image    
       - name: Build Docker Image
         run: |
-         docker build -t ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+         docker build -t ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }} .
          docker tag ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest