Change action to push image

Author: ceifa

.github/workflows/push.yml

@@ -14,8 +14,6 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Build the Docker image
-      run: docker build . --file debian-x64-root.Dockerfile --tag garrysmod:latest
 
     - name: Log in to Docker Hub
       uses: docker/login-action@v1
@@ -28,3 +26,4 @@ jobs:
       with:
         push: true
         tags: ceifa/garrysmod:debian-x64-root
+        file: debian-x64-root.Dockerfile