fix(ci): aggressive buildkit container removal and system prune with volumes to solve ENOSPC

.gitea/workflows/deploy.yml

@@ -64,11 +64,19 @@ jobs:
             echo "Pruning Buildkit inside container: $container"
             docker exec -i "$container" buildctl prune --all || true
           done
+          echo "Removing buildkit builder containers to clear overlay storage..."
+          containers=$(docker ps -a --filter "name=buildx_buildkit_builder" -q)
+          if [ -n "$containers" ]; then
+            docker rm -f $containers || true
+          fi
+          echo "=== Disk Space Usage Breakdown under Host Volume ==="
+          docker run --rm -v /:/host-root alpine du -sh /host-root/mnt/HC_Volume_104796416/* | sort -rh | head -n 20 || true
           echo "Purging old build layers, unused volumes and images..."
           docker builder prune -a -f || true
           docker volume prune -f || true
-          docker system prune -a -f || true
+          docker system prune -a -f --volumes || true
           echo "=== System Disk Usage After Prune ==="
+          docker run --rm -v /:/host-root alpine df -h || true
           df -h || true
 
       - name: Checkout repository