# Start from a Node.js base image
FROM node:20-slim

# Install system dependencies for Python, venv, and curl
RUN apt-get update && apt-get install -y python3-pip python3-venv curl && apt-get clean

# The 'node:20-slim' image already includes a non-root user named 'node'.
USER node

# Set the home directory
ENV HOME=/home/node

# Configure npm to use a user-owned directory for global packages
ENV NPM_CONFIG_PREFIX=${HOME}/.npm-global

# Create and activate a Python virtual environment by adding it to the PATH
ENV VENV_PATH=${HOME}/app/venv
ENV PATH=${VENV_PATH}/bin:${NPM_CONFIG_PREFIX}/bin:${HOME}/.local/bin:${PATH}

# Set the working directory
WORKDIR ${HOME}/app

# Install 'uv', the fast Python package manager
RUN curl -LsSf https://astral.sh/uv/install.sh | sh

# Install 'bun' globally into the user's home directory
RUN npm install -g bun

# Create the virtual environment
RUN uv venv

# Copy the Python requirements file
COPY --chown=node requirements.txt .
# Install packages into the virtual environment
RUN uv pip install -r requirements.txt

# Copy all other application files
COPY --chown=node . .

# Expose the port (the port number here is for documentation; the one in the CMD matters)
EXPOSE 7860

# --- FIX: Add '--host 0.0.0.0' to the startup command ---
# This tells the server to listen on all network interfaces, not just localhost.
# We also use ${PORT-7860} to dynamically get the port from Hugging Face.
CMD npx -y @srbhptl39/mcp-superassistant-proxy@latest --config config.json --host 0.0.0.0 --port ${PORT-7860} --baseUrl $SPACE_HOST