update Docker

Dockerfile

@@ -1,11 +1,24 @@
 FROM python:3.9
+
+# Create a non-root user
 RUN useradd -m -u 1000 user
 USER user
+
+# Set environment variables
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
+
+# Set the working directory
 WORKDIR $HOME/app
+
+# Copy the application files
 COPY --chown=user . $HOME/app
-COPY requirements.txt home/user/app/requirements.txt
-RUN pip install -r requirements.txt
-COPY . .
+
+# Copy the requirements file and install dependencies
+COPY requirements.txt $HOME/app/requirements.txt
+RUN pip install --user -r requirements.txt
+
+# Expose the port and set the command to run the application
 CMD ["chainlit", "run", "app.py", "--port", "7860"]
+
+