Update Dockerfile

Dockerfile

@@ -1,13 +1,14 @@
 # Base image with Python and common dependencies
 FROM python:3.10-slim
 
+# Set working directory
+WORKDIR /app
+
 # Set environment variables
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PYTHONUNBUFFERED=1
 ENV PYTHONDONTWRITEBYTECODE=1
-
-# Set working directory
-WORKDIR /app
+ENV NLTK_DATA=/app/nltk_data
 
 # Copy requirements file and install Python dependencies
 COPY requirements.txt requirements.txt 
@@ -31,6 +32,7 @@ RUN pip install -r requirements.txt
 RUN mkdir -p /app/cache /app/data && chmod -R 777 /app/cache /app/data
 RUN mkdir -p /app/OUTPUTS
 RUN chmod -R 777 /app
+RUN mkdir -p /app/nltk_data
 
 # Expose the required port for HF Spaces
 EXPOSE 7860