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FROM ubuntu:20.04
ENV DEBIAN_FRONTEND=noninteractive
ENV HOME=/tmp
ENV PWD=/tmp
COPY ubuntu-autoinstall-generator.sh /usr/bin/ubuntu-autoinstall-generator.sh
RUN chmod +x /usr/bin/ubuntu-autoinstall-generator.sh
RUN rm -rf /var/cache/apt/archives/ && \
rm -rf /var/lib/apt/lists/* && \
mkdir -p /var/cache/apt/archives/ && \
mkdir -p /var/cache/apt/archives/partial/ && \
touch /var/cache/apt/archives/lock && \
apt-get -y autoremove && \
apt-get -y clean && \
apt-get -y autoclean && \
apt-get update && \
apt-get install --install-recommends --yes \
dirmngr &&\
apt-get install --no-install-recommends --yes \
ca-certificates \
git \
xorriso \
sed \
curl \
gpg \
isolinux \
fdisk \
coreutils
ENTRYPOINT [ "ubuntu-autoinstall-generator.sh" ]