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# Use the latest stable Ubuntu LTS image
FROM ubuntu:22.04

# Set frontend to noninteractive to avoid prompts during package installation
ENV DEBIAN_FRONTEND=noninteractive

# Install dependencies: curl for downloading, wget (alternative), sudo for user privileges
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    curl \
    wget \
    sudo \
    ca-certificates \
    # Clean up apt cache to reduce image size
    && rm -rf /var/lib/apt/lists/*

# Install the latest stable release of code-server using the official script
# The script handles dependencies needed by code-server itself
RUN curl -fsSL https://code-server.dev/install.sh | sh

# Install the Roo Code extension
# Note: This runs as root initially, but code-server installs extensions per-user later if needed.
# Running it here ensures it's available system-wide or for the default user setup.
RUN code-server --install-extension RooVeterinaryInc.roo-cline

# Create a non-root user 'coder' with a home directory and bash shell
RUN useradd -m -s /bin/bash coder && \
    # Add the user to the sudo group
    adduser coder sudo && \
    # Allow the user to run sudo commands without a password
    echo 'coder ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers

# Switch to the non-root user
USER coder

# Set the working directory to the user's home directory
WORKDIR /home/coder

# Expose the default code-server port
EXPOSE 8080

# Default command to start code-server
# Binds to 0.0.0.0 to be accessible outside the container
# --auth none disables authentication (convenient for local dev, insecure for production)
# For production, remove --auth none and set a password via environment variable or config file.
CMD ["code-server", "--bind-addr", "0.0.0.0:8080", "--auth", "none"]