FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.5.0 AS xx FROM --platform=$BUILDPLATFORM golang:1.23-alpine3.20 AS builder COPY --from=xx / / ARG TARGETPLATFORM RUN xx-info env ENV CGO_ENABLED=0 ENV XX_VERIFY_STATIC=1 WORKDIR /app COPY . . RUN cd cmd/gost && \ xx-go build && \ xx-verify gost FROM alpine:3.20 # add iptables for tun/tap RUN apk add --no-cache iptables WORKDIR /bin/ COPY --from=builder /app/cmd/gost/gost . ENTRYPOINT ["/bin/gost"]