Fix some bugs found in smoke testing

.github/workflows/build.yml

@@ -27,16 +27,5 @@ jobs:
       - name: go mod vendor
         run: go mod vendor
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Build Docker images
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          platforms: linux/amd64,linux/arm64
-          file: Dockerfile
-          push: false
+      - name: go build ob-operator
+        run: go build -o bin/manager cmd/main.go