# ゲストOS: Ubuntu 24.04 LTS

FROM ubuntu:24.04


# Change Your Own UNAME, UID, GID, PASS

ENV UNAME=guest
ENV UID=3000
ENV GID=3000
ENV PASS=password

ENV SSHD_PORT=22

# 必要なパッケージのインストール

RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y \
    sudo \
    bash \
    openssh-server \
    supervisor \
    net-tools iputils-tracepath traceroute iputils-ping curl iproute2 \
    ufw \
    locales \
    tzdata rsyslog fail2ban \
    && rm -rf /var/lib/apt/lists/*


# SSH 設定: パスワード認証を有効化

RUN sed -i 's/#PasswordAuthentication yes/PasswordAuthentication yes/' /etc/ssh/sshd_config && \
    sed -i "s/^#Port.*/Port ${SSHD_PORT}/" /etc/ssh/sshd_config && \
    mkdir /var/run/sshd


# supervisord の設定ファイルを設置する (Daemon 起動用)

RUN mkdir -p /var/log/supervisor/conf.d
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf


# locale 設定
RUN locale-gen ja_JP.UTF-8 && \
    update-locale LANG=ja_JP.UTF-8
ENV LANG=ja_JP.UTF-8
ENV LC_ALL=ja_JP.UTF-8


# timezone 設定
RUN ln -sf /usr/share/zoneinfo/Asia/Tokyo /etc/localtime
RUN echo 'Asia/Tokyo' > /etc/timezone


# fail2bin
COPY jail.local /etc/fail2ban


# ポート開放

EXPOSE 22


# Copy Shell Script "entrypoint.sh"

COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

ENTRYPOINT ["/entrypoint.sh"]

CMD []