handle error of docker buildx

DCO 1.1 Signed-off-by: Tatsuya Ishihara <[email protected]>

bake-docker.sh

@@ -130,6 +130,10 @@ com="docker buildx bake -f docker-compose.yaml $platform_option $tag_option driv
 export BASE_IMAGE=$base_name
 echo $com
 eval $com
+if [[ $? -ne 0 ]]; then
+    echo "failed to build image"
+    exit 1
+fi
 
 # reset buildx builder to default
 docker buildx use default