FROM golang:1.15-alpine as builder RUN apk add --no-cache make gcc musl-dev linux-headers git WORKDIR /app # next 2 lines helping utilize docker cache COPY go.mod go.sum ./ RUN go mod download ADD . . RUN make all FROM alpine:3 RUN apk add --no-cache ca-certificates COPY --from=builder /app/build/bin/* /usr/local/bin/ EXPOSE 8545 8546 8547 30303 30303/udp 8080 9090 6060