Dockerfile.ubuntu-2404

# Base image must be Ubuntu 23.10 (Mantic Minotaur) or later: https://salsa.debian.org/apt-team/apt/-/merge_requests/291
FROM ubuntu:noble-20240407.1
ENV DEBIAN_FRONTEND=noninteractive
RUN \
  --mount=type=cache,target=/var/cache/apt,sharing=locked \
  --mount=type=cache,target=/var/lib/apt,sharing=locked \
  : "${SOURCE_DATE_EPOCH:=$(stat --format=%Y /etc/apt/sources.list.d/ubuntu.sources)}" && \
  snapshot="$(/bin/bash -euc "printf \"%(%Y%m%dT%H%M%SZ)T\n\" \"${SOURCE_DATE_EPOCH}\"")" && \
  : "Enabling snapshot" && \
  sed -i -e '/Types: deb/ a\Snapshot: true' /etc/apt/sources.list.d/ubuntu.sources && \
  : "Enabling cache" && \
  rm -f /etc/apt/apt.conf.d/docker-clean && \
  echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' >/etc/apt/apt.conf.d/keep-cache && \
  : "Fetching the snapshot and installing ca-certificates in one command" && \
  apt-get install --update --snapshot "${snapshot}" -o Acquire::Check-Valid-Until=false -o Acquire::https::Verify-Peer=false -y ca-certificates && \
  : "Installing gcc" && \
  apt-get install --snapshot "${snapshot}" -y gcc && \
  : "Clean up for improving reproducibility (optional)" && \
  rm -rf /var/log/* /var/cache/ldconfig/aux-cache