FROM --platform=${BUILDPLATFORM} golang:1.18-bullseye AS build WORKDIR . ENV CGO_ENABLED=0 ARG TARGETOS ARG TARGETARCH RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /bin/rawleydotxyz . FROM scratch AS bin COPY --from=build /bin/rawleydotxyz / EXPOSE 8080/tcp CMD ["/rawleydotxyz"]