Initial commit

Dockerfile

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+FROM ubuntu:focal
+ENV DEBIAN_FRONTEND=noninteractive
+ADD custom.sh /tmp/
+RUN sed -Eie 's/archive\.ubuntu\.com/ee.archive.ubuntu.com/g' /etc/apt/sources.list \
+ && apt-get update \
+ && apt-get install --yes --no-install-recommends \
+    linux-image-generic \
+    systemd \
+    systemd-sysv \
+    fdisk \
+    grub-efi-amd64 \
+    ubuntu-desktop \
+ && /tmp/custom.sh \
+ && apt-get autoremove -y \
+ && apt-get clean