Dockerfile

FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive
ENV HOSTNAME=Nobita

# ---- Install Everything in One Layer ----
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
    curl \
    wget \
    git \
    sudo \
    dbus \
    cockpit \
    cockpit-machines \
    htop \
    btop \
    neovim \
    lsof \
    && rm -rf /var/lib/apt/lists/*

# ---- Install code-server ----
RUN curl -fsSL https://code-server.dev/install.sh | sh

# ---- Root Login Setup ----
RUN echo "root:root" | chpasswd && \
    rm -f /etc/cockpit/disallowed-users || true

WORKDIR /workspace

EXPOSE 7860 9090

# ---- Startup Script ----
CMD bash -c "\
service dbus start && \
service cockpit start && \
code-server --bind-addr 0.0.0.0:7860 --auth none"