Dockerfile

FROM ubuntu:22.04

# Avoid prompts during apt installs
ENV DEBIAN_FRONTEND=noninteractive

# Update and install dependencies
RUN apt-get update && apt-get install -y \
    curl \
    git \
    wget \
    sudo \
    python3 \
    python3-pip \
    python3-venv \
    build-essential \
    cmake \
    libjson-c-dev \
    libwebsockets-dev \
    sshfs \
    fuse \
    dos2unix \
    nano \
    && rm -rf /var/lib/apt/lists/*

# Enable FUSE for non-root users
RUN echo "user_allow_other" >> /etc/fuse.conf

# Install ttyd from source or pre-compiled binary
RUN wget https://github.com/tsl0922/ttyd/releases/download/1.7.4/ttyd.x86_64 -O /usr/local/bin/ttyd && \
    chmod +x /usr/local/bin/ttyd

# Create user with UID 1000
RUN useradd -m -s /bin/bash -u 1000 user && \
    usermod -aG sudo user && \
    echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers

# Setup working directory
WORKDIR /code
COPY --chown=user:user . /code

RUN chmod +x /code/*.sh || true && \
    dos2unix /code/*.sh || true

USER user
ENV HOME=/home/user
ENV PATH=/home/user/.local/bin:$PATH

# Start ttyd on port 7860, running bash
CMD ["ttyd", "-p", "7860", "-W", "bash"]