added ARG for TARGETOS and TARGETARCH

Author: CodeShellDev

Dockerfile

@@ -1,8 +1,11 @@
+ARG TARGETOS
+ARG TARGETARCH
+
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates
 
 WORKDIR /app
 
-COPY dist/$TARGETOS/$TARGETARCH/app .
+COPY dist/${TARGETOS}/${TARGETARCH}/app .
 
 CMD ["./app"]