Merge pull request #1396 from opentensor/fix-docker-again-again

build arm and x86 docker images separately for improved CI throughput

Author: sam0x17

.github/workflows/docker.yml

@@ -22,7 +22,7 @@ permissions:
   security-events: write
 
 jobs:
-  publish:
+  publish-x86:
     runs-on: SubtensorCI
 
     steps:
@@ -64,7 +64,53 @@ jobs:
         with:
           context: .
           push: true
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ env.tag }}
+            ${{ env.latest_tag == 'true' && format('ghcr.io/{0}:latest', github.repository) || '' }}
+  publish-arm:
+    runs-on: SubtensorCI
+
+    steps:
+      - name: Determine Docker tag and ref
+        id: tag
+        run: |
+          branch_or_tag="${{ github.event.inputs.branch-or-tag || github.ref_name }}"
+          echo "Determined branch or tag: $branch_or_tag"
+          echo "tag=$branch_or_tag" >> $GITHUB_ENV
+          echo "ref=$branch_or_tag" >> $GITHUB_ENV
+
+          # Check if this is a tagged release (not devnet-ready/devnet/testnet)
+          if [[ "${{ github.event_name }}" == "release" && "$branch_or_tag" != "devnet-ready" && "$branch_or_tag" != "devnet" && "$branch_or_tag" != "testnet" ]]; then
+            echo "latest_tag=true" >> $GITHUB_ENV
+          else
+            echo "latest_tag=false" >> $GITHUB_ENV
+          fi
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.ref }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GHCR
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          platforms: linux/arm64
           tags: |
             ghcr.io/${{ github.repository }}:${{ env.tag }}
             ${{ env.latest_tag == 'true' && format('ghcr.io/{0}:latest', github.repository) || '' }}