Update Dockerfile

Author: madjarevicn

Dockerfile

@@ -20,7 +20,7 @@ RUN cd /go-ethereum && go run build/ci.go install -static ./cmd/geth
 FROM alpine:latest
 
 RUN apk add --no-cache ca-certificates
-COPY --from=builder /go-ethereum/build/bin/geth /usr/local/bin/
+COPY --from=builder /go-ethereum/build/bin/geth /root
 
 EXPOSE 8545 8546 30303 30303/udp
 ENTRYPOINT ["geth"]