Modbus go mapper error

[beyondyinjl2]

sudo docker build -t modbusmapper:v1.0 ./pkg/modbus

Sending build context to Docker daemon 52.74kB
Step 1/6 : FROM ubuntu:16.04
---> 9499db781771
Step 2/6 : RUN mkdir -p kubeedge
---> Running in b680bf86b7e1
Removing intermediate container b680bf86b7e1
---> e88ad3020b46
Step 3/6 : COPY ./modbus kubeedge/
COPY failed: stat /var/lib/docker/tmp/docker-builder170465191/modbus: no such file or directory

not modbus dir

[applea9]

you should compile & build modbus mapper brefore you build docker image.

This project has provided makefile, please follow the below steps:

make modbusmapper
make modbusmapper_image

[RyanZhaoXB]

please build a binary file for the modbus mapper first.