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FROM ubuntu:22.04

# Avoid interactive prompts
ENV DEBIAN_FRONTEND=noninteractive
ENV TZ=Asia/Colombo

# Install dependencies including libev
RUN apt-get update && apt-get install -y \
    curl \
    wget \
    git \
    nano \
    vim \
    htop \
    net-tools \
    iputils-ping \
    python3 \
    python3-pip \
    nodejs \
    npm \
    openssh-client \
    ca-certificates \
    gnupg \
    lsb-release \
    software-properties-common \
    libev4 \
    libev-dev \
    libjson-c5 \
    libwebsockets16 \
    && rm -rf /var/lib/apt/lists/*

# Download and install ttyd binary (pre-built)
RUN curl -L -o /usr/local/bin/ttyd \
    https://github.com/tsl0922/ttyd/releases/download/1.7.7/ttyd.x86_64 \
    && chmod +x /usr/local/bin/ttyd

# Create a non-root user
RUN useradd -m -s /bin/bash terminaluser && \
    echo "terminaluser:terminal123" | chpasswd && \
    usermod -aG sudo terminaluser && \
    echo "terminaluser ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

# Set working directory
WORKDIR /home/terminaluser

# Expose port
EXPOSE 7860

# Start ttyd on port 7860 (Hugging Face default port)
CMD ["ttyd", "-p", "7860", "-c", "terminaluser:terminal123", "bash"]