# NOTE: This hash is pinned to avoid version and environment differences.
FROM ubuntu:24.04@sha256:c35e29c9450151419d9448b0fd75374fec4fff364a27f176fb458d472dfc9e54 AS base
WORKDIR /app

COPY --chmod=555 chall run
COPY --chmod=444 flag.txt flag.txt
RUN mv flag.txt flag-$(md5sum flag.txt | awk '{print $1}').txt

FROM pwn.red/jail
COPY --from=base / /srv
ENV JAIL_TIME=300 JAIL_CPU=100 JAIL_MEM=50M
