FROM golang:1.15-alpine as dev WORKDIR /go/src/prepbot COPY ./go.mod . COPY ./go.sum . RUN go mod download COPY . . RUN go install github.com/dustinpianalto/prepbot/... CMD [ "go", "run", "cmd/prepbot/main.go"] from alpine WORKDIR /bin COPY --from=dev /go/bin/prepbot ./prepbot CMD [ "prepbot" ]