Update Dockerfile

Dockerfile

@@ -1,4 +1,3 @@
-# Use the official Python image as a base
 FROM python:3.9-slim
 
 # Install necessary system dependencies
@@ -9,23 +8,24 @@ RUN apt-get update && apt-get install -y \
     libssl-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Set environment variables
-ENV PYTHONUNBUFFERED=1
+# Create a directory for NLTK data
+RUN mkdir -p /app/nltk_data
 
-# Create and set the working directory
+# Set environment variable for NLTK data
+ENV NLTK_DATA=/app/nltk_data
+
+# Set the working directory
 WORKDIR /app
 
-# Copy the requirements file first to leverage Docker cache
+# Copy requirements and install dependencies
 COPY requirements.txt ./
-
-# Install Python dependencies
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Copy the application code to the container
+# Copy the application code
 COPY . .
 
-# Expose the port that FastAPI will run on
+# Expose port
 EXPOSE 7860
 
-# Command to run the FastAPI application with Uvicorn
+# Command to run the FastAPI application
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]