moved ARG like in docker docs

Author: CodeShellDev

Dockerfile

@@ -1,9 +1,9 @@
-ARG TARGETOS
-ARG TARGETARCH
-
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates
 
+ARG TARGETOS
+ARG TARGETARCH
+
 WORKDIR /app
 
 COPY dist/${TARGETOS}/${TARGETARCH}/app .