FROM ubuntu:jammy@sha256:e9569c25505f33ff72e88b2990887c9dcf230f23259da296eb814fc2b41af999 ENV DEBIAN_FRONTEND=noninteractive # hadolint ignore=DL3008,DL3028 RUN apt-get update && \ apt-get -y --no-install-recommends install \ ruby \ ruby-dev \ rubygems \ squashfs-tools \ build-essential \ git \ wget \ rpm \ gawk \ && apt-get clean \ && gem install fpm \ && rm -rf /var/lib/apt/lists/* /var/tmp/* /tmp/*