update chainlit

Dockerfile

@@ -1,19 +1,33 @@
-# Use an official Python runtime as a parent image
-FROM python:3.11-slim
+# Use Python 3.10 as base image
+FROM python:3.10-slim
 
-# Set the working directory in the container
-WORKDIR /app
+# Create and set non-root user for security
+RUN useradd -m -u 1000 user
+USER user
 
-# Copy the current directory contents into the container at /app
-COPY . /app
+# Set environment variables
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    PYTHONUNBUFFERED=1
 
-# Install Chainlit
-RUN pip install -e . && \
-    mkdir -p /app/.files && \
-    chmod 777 /app/.files
+# Set working directory
+WORKDIR $HOME/app
 
-# Make port 8000 available to the world outside this container
+# Copy requirements file first to leverage Docker cache
+COPY --chown=user requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Create and set permissions for chainlit files directory
+RUN mkdir -p $HOME/app/.files && \
+    mkdir -p $HOME/.chainlit
+
+# Copy the rest of the application
+COPY --chown=user . .
+
+# Expose the port
 EXPOSE 7860
 
-# Run Chainlit when the container launches
-CMD ["chainlit", "run", "app.py", "--port", "7860", "-w", "--host", "0.0.0.0"]
+# Run the application
+CMD ["chainlit", "run", "rag_app.py", "--host", "0.0.0.0", "--port", "7860"]