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Real systemd requires this. docker-systemctl-replacement currently doesn’t but maybe it will later. Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
60 lines
3.0 KiB
Docker
60 lines
3.0 KiB
Docker
FROM ubuntu:18.04
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ARG UBUNTU_MIRROR
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# Basic packages and dependencies of docker-systemctl-replacement
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RUN echo locales locales/default_environment_locale select en_US.UTF-8 | debconf-set-selections \
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&& echo locales locales/locales_to_be_generated select "en_US.UTF-8 UTF-8" | debconf-set-selections \
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&& { [ ! "$UBUNTU_MIRROR" ] || sed -i "s|http://\(\w*\.\)*archive\.ubuntu\.com/ubuntu/\? |$UBUNTU_MIRROR |" /etc/apt/sources.list; } \
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# This restores man pages and other documentation that have been
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# stripped from the default Ubuntu cloud image and installs
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# ubuntu-minimal and ubuntu-standard.
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#
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# This makes sense to do because we're using this image as a
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# development environment, not a minimal production system.
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&& printf 'y\n\n' | unminimize \
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&& apt-get install --no-install-recommends -y \
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ca-certificates \
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curl \
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locales \
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lsb-release \
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openssh-server \
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python3 \
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sudo \
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systemd \
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&& rm -rf /var/lib/apt/lists/*
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ARG VAGRANT_UID
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RUN \
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# We use https://github.com/gdraheim/docker-systemctl-replacement
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# to make services we install like postgres, redis, etc. normally
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# managed by systemd start within Docker, which breaks normal
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# operation of systemd.
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dpkg-divert --add --rename /bin/systemctl \
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&& curl -so /bin/systemctl 'https://raw.githubusercontent.com/gdraheim/docker-systemctl-replacement/b0588e003562f9a8eb76c98512c6d61146a81980/files/docker/systemctl3.py' \
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&& chmod +x /bin/systemctl \
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&& ln -nsf /bin/true /usr/sbin/policy-rc.d \
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&& mkdir -p /run/sshd \
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# docker-systemctl-replacement doesn’t work with template units yet:
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# https://github.com/gdraheim/docker-systemctl-replacement/issues/62
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&& ln -ns /lib/systemd/system/postgresql@.service /etc/systemd/system/postgresql@10-main.service \
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&& ln -s /etc/systemd/system/postgresql@10-main.service /etc/systemd/system/multi-user.target.wants/ \
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# redis fails to start with the default configuration if IPv6 is disabled:
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# https://github.com/antirez/redis/pull/5598
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&& dpkg-divert --add --rename /etc/default/redis-server \
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&& printf 'ULIMIT=65536\nDAEMON_ARGS="/etc/redis/redis.conf --bind 127.0.0.1"\n' > /etc/default/redis-server \
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&& mkdir /etc/systemd/system/redis-server.service.d \
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&& printf '[Service]\nExecStart=\nExecStart=/usr/bin/redis-server /etc/redis/redis.conf --bind 127.0.0.1\n' > /etc/systemd/system/redis-server.service.d/override.conf \
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# Set up the vagrant user and its SSH key (globally public)
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&& useradd -ms /bin/bash -u "$VAGRANT_UID" vagrant \
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&& mkdir -m 700 ~vagrant/.ssh \
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&& curl -so ~vagrant/.ssh/authorized_keys 'https://raw.githubusercontent.com/hashicorp/vagrant/be7876d83644aa6bdf7f951592fdc681506bcbe6/keys/vagrant.pub' \
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&& chown -R vagrant: ~vagrant/.ssh \
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&& echo 'vagrant ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/vagrant
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CMD ["/bin/systemctl"]
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EXPOSE 22
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EXPOSE 9991
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