gh: Try cleaning up x86 again

Author: csparker247

.github/workflows/build_docker.yml

@@ -10,7 +10,7 @@ concurrency: docker
 jobs:
   docker:
     name: Build Docker image
-    runs-on: macos-15
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         include:
@@ -24,9 +24,23 @@ jobs:
             use_cuda: "ON"
             tag_suffix: "-cuda12.8"
     steps:
-      - name: Setup Docker on macOS
-        id: setup-docker
-        uses: douglascamata/setup-docker-macos-action@v1.0.1
+      - name: Clean up disk space
+        if: runner.os == 'Linux'
+        run: |
+          # Space usage before cleanup
+          df -h /
+
+          # Remove unused tool caches (comment any required ones with #)
+          sudo rm -rf /usr/lib/jvm
+          sudo rm -rf /usr/local/.ghcup
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /usr/local/share/powershell
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/share/swift
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
+          # Verify gains
+          df -h /
 
       - name: Extract Docker metadata
         id: meta
@@ -41,6 +55,11 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
             type=edge
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3