docker build must pass for CI to pass

Author: sam0x17

.github/workflows/check-docker.yml

@@ -0,0 +1,21 @@
+name: Publish Docker Image
+
+on:
+  pull_request:
+
+jobs:
+  publish:
+    runs-on: SubtensorCI
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build Docker Image
+        run: docker build .