dockerfile install go本地包可以吗？

I am trying to create a docker image with my golang project. The project has some local packages like math:

/myproject/
  src/
    main.go
    utils/
      math.go

in main.go I include lots of packages but also math from math.go.
My docker file looks something like:

FROM golang:latest

ENV GOPATH=/golib/

RUN /usr/local/go/bin/go get github.com/julienschmidt/httprouter

CMD /usr/local/go/bin/go run main.go

EXPOSE 10004

How do I include also math package since it's a local package, so it's not deployed on github?

The yml file:

services:
    cozonac:
       image: cozonac:local
       ports:
         - "10004:10004"
       volumes:
         - ./src/:/go/

Thanks

You should try below

services:
    cozonac:
       image: cozonac:local
       ports:
         - "10004:10004"
       volumes:
         - ./src/:/go/
       environment:
         - GOPATH=/golib/:/go/

Just for this case you can append the folder to GOPATH