Update Dockerfile

Dockerfile

@@ -1,39 +1,40 @@
-# Start from a Node.js base image, which is based on Debian
+# Start from a Node.js base image
 FROM node:20-slim
 
 # Install system dependencies for Python and uv (curl) as root
 RUN apt-get update && apt-get install -y python3-pip curl && apt-get clean
 
-# --- FIX ---
-# The 'node:20-slim' image already includes a non-root user named 'node' with UID 1000.
-# We do NOT need to create a new user. We will use the existing one.
-
-# --- FIX: Switch to the existing 'node' user ---
+# The 'node:20-slim' image already includes a non-root user named 'node'. We will use it.
 USER node
 
-# --- FIX: Update paths to use the 'node' user's home directory ---
-# Set the home directory and add the user's local bin to the PATH
+# Set the home directory for clarity
 ENV HOME=/home/node
-ENV PATH="/home/node/.local/bin:${PATH}"
-# Set the working directory inside the 'node' user's home
+
+# --- FIX: Configure npm to use a user-owned directory for global packages ---
+# Set the prefix for global npm installations to a directory within the user's home
+ENV NPM_CONFIG_PREFIX=${HOME}/.npm-global
+# Add the new npm global binary directory to the system's PATH
+ENV PATH=${NPM_CONFIG_PREFIX}/bin:${HOME}/.local/bin:${PATH}
+
+# Set the working directory inside the user's home
 WORKDIR ${HOME}/app
 
-# Install 'uv', the fast Python package manager, as the 'node' user
+# Install 'uv', the fast Python package manager
 RUN curl -LsSf https://astral.sh/uv/install.sh | sh
 
-# Install 'bun' for any Node.js tools that might need it
+# --- FIX: This command will now succeed ---
+# Install 'bun' globally. It will now be installed in /home/node/.npm-global/
 RUN npm install -g bun
 
-# --- FIX: Use '--chown=node' ---
 # Copy the Python requirements file and install dependencies using uv
 COPY --chown=node requirements.txt .
 RUN uv pip install -r requirements.txt
 
-# Copy all other application files (config.json, *.py, etc.)
+# Copy all other application files
 COPY --chown=node . .
 
 # Expose the port that the MCP proxy will run on
 EXPOSE 3006
 
-# The command to start the main MCP proxy server. This part remains the same.
+# The command to start the main MCP proxy server
 CMD npx -y @srbhptl39/mcp-superassistant-proxy@latest --config config.json --port ${PORT-3006} --baseUrl $SPACE_HOST