FROM alpine:3.17.0 as builder

RUN apk add --no-cache upx
ADD ./bin/Purr-musl /app/Purr-musl

RUN upx /app/Purr-musl -o /app/Purr-musl-upx

FROM scratch

WORKDIR /app

COPY --from=builder /app/Purr-musl-upx /app/Purr

EXPOSE 3000

ENTRYPOINT ["/app/Purr"]