Update Dockerfile

Author: ehsandeep

Dockerfile

@@ -1,9 +1,7 @@
-FROM golang:1.16-alpine AS builder
-RUN apk add --no-cache git
+FROM golang:1.16-alpine as build-env
 RUN GO111MODULE=on go get -v github.com/projectdiscovery/simplehttpserver/cmd/simplehttpserver
 
 FROM alpine:latest
 RUN apk add --no-cache bind-tools ca-certificates
-COPY --from=builder /go/bin/simplehttpserver /usr/local/bin/
-
-ENTRYPOINT ["simplehttpserver"]
+COPY --from=build-env /go/bin/simplehttpserver /usr/local/bin/simplehttpserver
+ENTRYPOINT ["simplehttpserver"]