Update Dockerfile

Signed-off-by: NxPKG <116948796+NxPKG@users.noreply.github.com>

Dockerfile

@@ -1,8 +1,8 @@
-FROM golang:1.21.6-alpine as build-env
+FROM golang:1.20.4-alpine as build-env
 RUN apk --no-cache add git
 RUN go install -v github.com/khulnasoft-lab/shuffledns/cmd/shuffledns@latest
 
-FROM alpine:3.19.1
+FROM alpine:3.17.3
 RUN apk --update --no-cache add ldns \
   && apk --no-cache --virtual .deps add ldns-dev \
                                         git \
@@ -18,4 +18,4 @@ RUN apk --update --no-cache add ldns \
 
 COPY --from=build-env /go/bin/shuffledns /usr/bin/shuffledns
 ENV HOME /
-ENTRYPOINT ["/usr/bin/shuffledns"]
+ENTRYPOINT ["/usr/bin/shuffledns"]