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# Use Ubuntu as the base image
FROM ubuntu:latest

# Update package lists and install necessary packages
RUN apt-get update && apt-get install -y \
    bash \
    wget \
    ca-certificates \
    sudo \
    openvpn \
    net-tools \
    curl

RUN apt-get clean && rm -rf /var/lib/apt/lists/*

# Create /data directory and give permission to user 1001
RUN mkdir -p /data && chown -R 1001:1001 /data

# Download and install gotty
RUN wget -O gotty.tar.gz https://github.com/yudai/gotty/releases/download/v1.0.1/gotty_linux_amd64.tar.gz \
    && tar -xzvf gotty.tar.gz -C /usr/local/bin/ \
    && chmod +x /usr/local/bin/gotty \
    && rm gotty.tar.gz

# Create user 1001 and set working directory
RUN useradd -u 1001 -d /data user1001 \
    && echo 'user1001 ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/user1001 \
    && chmod 0440 /etc/sudoers.d/user1001

# Switch to user 1001 and set working directory
USER 1001
WORKDIR /data

# Create .bashrc file and set PS1 environment variable
RUN echo 'PS1="online-terminal:\\w\\$ "' > /data/.bashrc

# Expose port
EXPOSE 8080

# Use gotty to run bash and modify PS1 environment variable
CMD ["gotty", "--permit-write", "--port", "3000", "--permit-arguments", "/bin/bash", "--rcfile", "/data/.bashrc"]