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+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV TERM=xterm-256color
+ENV NPM_CONFIG_PREFIX=/home/Draco/.npm-global
+ENV PATH=$PATH:/home/Draco/.npm-global/bin
+
+# Create sudoers.d directory, user Draco with passwordless sudo and npm global folder
+RUN mkdir -p /etc/sudoers.d && \
+    useradd -m -u 1000 -s /bin/bash Draco && \
+    echo "Draco ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/draco && \
+    chmod 440 /etc/sudoers.d/draco && \
+    mkdir -p /home/Draco/.npm-global && chown -R Draco:Draco /home/Draco/.npm-global
+
+# Install curl, gnupg, and add NodeSource Node.js 20 repo
+RUN apt-get update && apt-get install -y curl gnupg && apt-get clean
+RUN curl -sL https://deb.nodesource.com/setup_20.x | bash -
+
+# Install Node.js 20, ffmpeg, and required packages
+RUN apt-get install -y --no-install-recommends \
+    nodejs \
+    ffmpeg \
+    python3 python3-pip python3-venv \
+    build-essential \
+    tmate \
+    openssh-client \
+    neofetch \
+    git \
+    wget \
+    vim \
+    nano \
+    unzip \
+    zip \
+    htop \
+    net-tools \
+    iputils-ping \
+    dnsutils \
+    tmux \
+    screen \
+    jq \
+    ca-certificates \
+    software-properties-common \
+    sqlite3 \
+    libsqlite3-dev \
+    libssl-dev \
+    libffi-dev \
+    libxml2-dev \
+    libxslt1-dev \
+    libjpeg-dev \
+    zlib1g-dev \
+    libpng-dev \
+    libwebp-dev \
+    pkg-config \
+    rsync \
+    lsof \
+    sudo \
+    gnupg \
+    openssl \
+    tree \
+    mc \
+    python3-dev \
+    python3-distutils \
+    python3-setuptools \
+    cron \
+    aria2 \
+    telnet \
+    expect \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Install Python packages globally
+RUN pip3 install --no-cache-dir \
+    pytelegrambotapi \
+    requests \
+    beautifulsoup4 \
+    lxml \
+    flask \
+    httpx \
+    aiohttp \
+    schedule
+
+# Generate SSH keys for tmate (root)
+RUN mkdir -p /root/.ssh && \
+    ssh-keygen -t rsa -f /root/.ssh/id_rsa -N '' && \
+    chmod 700 /root/.ssh && chmod 600 /root/.ssh/id_rsa
+
+# Create /dev/ptmx if missing to avoid crashes (permission 666)
+RUN if [ ! -c /dev/ptmx ]; then \
+        mknod /dev/ptmx c 5 2 && chmod 666 /dev/ptmx ; \
+    fi
+
+# Create /dev/pts directory (empty, since mounting devpts is not possible here)
+RUN mkdir -p /dev/pts
+
+# Prepare /app directory owned by Draco
+RUN mkdir -p /app && echo "Tmate Session Running..." > /app/index.html && \
+    chown -R Draco:Draco /app
+
+WORKDIR /app
+
+# Switch to Draco user
+USER Draco
+
+# Verify important versions (optional)
+RUN node -v && npm -v && python3 --version && ffmpeg -version
+
+# Use `tmate -F` foreground, no background, ignore terminal errors to avoid crash
+CMD python3 -m http.server 7860 & tmate -F || echo "tmate exited or failed"