fix: support multi arch image building

- use dockerx to build multi-arch containers

Signed-off-by: jingfelix <jingfelix@outlook.com>

.github/workflows/build-docker.yml

@@ -26,6 +26,12 @@ jobs:
         codename: [ beige ]
 
     steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Read Rootfs version
         run: |
           echo "ROOTFS_VERSION=$(curl -s https://raw.githubusercontent.com/deepin-community/deepin-rootfs/master/version.txt | cat)" >> $GITHUB_ENV

build.sh

@@ -12,4 +12,4 @@ ROOTFS_URL=https://github.com/deepin-community/deepin-rootfs/releases/download/$
 
 curl -OLS $ROOTFS_URL
 
-docker build --build-arg ROOTFS=$ROOTFS -t ${OWNER}/deepin:${CODENAME}-${ARCH}-${VERSION} .
+docker buildx build --platform linux/${ARCH} --build-arg ROOTFS=$ROOTFS -t ${OWNER}/deepin:${CODENAME}-${ARCH}-${VERSION} .