change version var

dockerfile

@@ -1,9 +1,11 @@
 FROM golang:1.25.7-alpine3.22 AS build
+ARG VERSION="0.1.0"
+ENV VERSION=$VERSION
 
 COPY . /src
 
 RUN cd /src \
-    && go build -o dockerupdater \
+    && CGO_ENABLED=0 GORISCV64=rva22u64 GOAMD64=v3 GOARM64=v8.2 go build -ldflags="-s -w -X docker-updater/constant.version=$VERSION" -o dockerupdater \
     && mkdir -p ./fs/var/opt/dockerupdater \
     && mkdir -p ./fs/opt/dockerupdater \
     && cp dockerupdater ./fs/opt/dockerupdater/dockerupdater