61 lines
2.2 KiB
Docker
61 lines
2.2 KiB
Docker
ARG BASE_IMAGE=debian:bookworm-slim
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FROM ${BASE_IMAGE}
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RUN apt-get update && apt-get install -y --no-install-recommends \
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openssh-server \
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sudo \
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curl \
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wget \
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vim \
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nano \
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net-tools \
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procps \
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htop \
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git \
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&& rm -rf /var/lib/apt/lists/*
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RUN mkdir -p /var/run/sshd /root/.ssh
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# sshd_config: allow root + password auth
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RUN sed -i \
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-e 's|^#\?PermitRootLogin.*|PermitRootLogin yes|' \
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-e 's|^#\?PasswordAuthentication.*|PasswordAuthentication yes|' \
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-e 's|^#\?ChallengeResponseAuthentication.*|ChallengeResponseAuthentication no|' \
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/etc/ssh/sshd_config
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# Lived-in environment: motd, shell aliases, fake project files
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RUN echo "Ubuntu 22.04.3 LTS" > /etc/issue.net && \
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echo "Welcome to Ubuntu 22.04.3 LTS (GNU/Linux 5.15.0-88-generic x86_64)" > /etc/motd && \
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echo "" >> /etc/motd && \
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echo " * Documentation: https://help.ubuntu.com" >> /etc/motd && \
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echo " * Management: https://landscape.canonical.com" >> /etc/motd && \
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echo " * Support: https://ubuntu.com/advantage" >> /etc/motd
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RUN echo 'alias ll="ls -alF"' >> /root/.bashrc && \
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echo 'alias la="ls -A"' >> /root/.bashrc && \
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echo 'alias l="ls -CF"' >> /root/.bashrc && \
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echo 'export HISTSIZE=1000' >> /root/.bashrc && \
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echo 'export HISTFILESIZE=2000' >> /root/.bashrc
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# Fake project files to look lived-in
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RUN mkdir -p /root/projects /root/backups /var/www/html && \
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echo "# TODO: migrate DB to new server\n# check cron jobs\n# update SSL cert" > /root/notes.txt && \
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echo "DB_HOST=10.0.0.5\nDB_USER=admin\nDB_PASS=changeme123\nDB_NAME=prod_db" > /root/projects/.env && \
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echo "[Unit]\nDescription=App Server\n[Service]\nExecStart=/usr/bin/python3 /opt/app/server.py" > /root/projects/app.service
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COPY entrypoint.sh /entrypoint.sh
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RUN chmod +x /entrypoint.sh
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EXPOSE 22
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RUN useradd -r -s /bin/false -d /opt decnet \
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&& apt-get update && apt-get install -y --no-install-recommends libcap2-bin \
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&& rm -rf /var/lib/apt/lists/* \
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&& (find /usr/bin/ -maxdepth 1 -name 'python3*' -type f -exec setcap 'cap_net_bind_service+eip' {} \; 2>/dev/null || true)
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD kill -0 1 || exit 1
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USER decnet
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ENTRYPOINT ["/entrypoint.sh"]
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