Drop Ubuntu Disco

disco/x86/Dockerfile

-FROM i386/ubuntu:disco
-
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt-get update \
- && apt-get install -y eatmydata \
- && eatmydata apt-get upgrade -y
-
-RUN eatmydata apt-get install -y \
-  sudo wget curl tar expect git \
-  devscripts build-essential lintian ccache pbuilder aptitude apt-utils
-
-RUN curl https://packages.icinga.com/icinga.key | apt-key add - \
- && DIST="$(lsb_release -sc)" \
- && echo "deb http://packages.icinga.com/ubuntu icinga-${DIST} main" > /etc/apt/sources.list.d/${DIST}-icinga.list
-
-RUN groupadd -g 1000 build \
- && useradd -u 1000 -g 1000 -m build \
- && echo 'Defaults:build !requiretty' | tee -a /etc/sudoers \
- && echo 'build ALL=(ALL:ALL) NOPASSWD: ALL' | tee -a /etc/sudoers \
- && chown build.build /usr/local/bin
-
-USER build
-RUN git clone https://git.icinga.com/build-docker/scripts.git /usr/local/bin
-ENTRYPOINT ["/usr/local/bin/icinga-build-entrypoint"]
-CMD ["icinga-build-package"]