FROM ubuntu:22.04

ENV DEBIAN_FRONTEND noninteractive

RUN set -x \
	&& apt-get update && apt-get install -y --no-install-recommends \
		ruby \
		ruby-dev \
		gcc \
		g++ \
		make \
		ca-certificates \
		libffi-dev \
		ruby-ffi \
		rpm \
		vim \
	&& gem install fpm \
	&& mkdir /src/

WORKDIR /src/

CMD /usr/local/bin/fpm