fix tag option

Signed-off-by: Daisuke Sato <[email protected]>

Author: daisukes

bake-docker.sh

@@ -114,18 +114,12 @@ if [[ -z $(docker buildx ls | grep "mybuilder\*") ]]; then
 fi
 
 # tag option
-tag_option=""
-IFS=',' read -r -a tag_array <<< "$tags"
-tag_option="--set driver.tags='["
-for tag in "${tag_array[@]}"; do
-    tag_option+="\"${REGISTRY}/${image_name}:${tag}\","
-done
-tag_option="${tag_option%,}]'"
+tag_option="--set=*.tags=${REGISTRY}/${image_name}:{${tags}}"
 
 # platform option
 platform_option=
 if [[ -n $platform ]]; then
-    platform_option="--set *.platform=\"$platform\""
+    platform_option="--set=*.platform=\"$platform\""
 fi
 
 # bake