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services/phew/Dockerfile

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+FROM python:3.12-slim
+
+ARG PASSWORD=root
+ENV DEBIAN_FRONTEND=noninteractive
+ENV HOME=/home/ctf
+WORKDIR /home/ctf/chall
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    openssh-server \
+    build-essential \
+    libffi-dev \
+    libssl-dev \
+    python3-dev \
+    bash \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN useradd -m -d /home/ctf -s /bin/bash ctf && \
+    echo "ctf:${PASSWORD}" | chpasswd
+
+RUN mkdir -p /var/run/sshd
+
+COPY requirements.txt /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
+
+COPY ./src /home/ctf/chall/src
+COPY ./start.sh /start.sh
+RUN chmod +x /start.sh /home/ctf/chall/src/run.sh
+
+RUN chown -R root:root /home/ctf/chall && chmod -R 555 /home/ctf/chall
+
+EXPOSE 8000 22
+CMD ["/start.sh"]