Update lego Dockerfile

Signed-off-by: Jauder Ho <jauderho@users.noreply.github.com>

lego/Dockerfile

@@ -17,7 +17,9 @@ RUN test -n "${BUILD_VERSION}" \
 	&& curl -L "${ARCHIVE_URL}${BUILD_VERSION}.tar.gz" -o /tmp/lego.tar.gz \
 	&& tar xzf /tmp/lego.tar.gz --strip 1 -C /go/src/github.com/go-acme/lego \
 	&& make build \
-	&& strip /go/src/github.com/go-acme/lego/dist/lego
+	&& strip /go/src/github.com/go-acme/lego/dist/lego \
+	&& cp /go/src/github.com/go-acme/lego/dist/lego /go/src/github.com/go-acme/lego-bin \
+	&& make clean 
 
 # ----------------------------------------------------------------------------
 
@@ -31,7 +33,7 @@ LABEL org.opencontainers.image.title="jauderho/lego"
 LABEL org.opencontainers.image.description="Let's Encrypt client and ACME library written in Go"
 
 COPY --from=build /etc/ssl/certs /etc/ssl/certs
-COPY --from=build /go/src/github.com/go-acme/lego/dist/lego /usr/local/bin/lego
+COPY --from=build /go/src/github.com/go-acme/lego-bin /usr/local/bin/lego
 
 #RUN lego --version