update Dockerfile

Dockerfile

@@ -1,20 +1,21 @@
-# Use the official Python image from the Docker Hub
-FROM python:3.10.0-slim-buster
-
-# Set the working directory in the container
-WORKDIR /app
-
-# Copy the current directory contents into the container at /app
-COPY . /app
-
-# Install any needed packages specified in requirements.txt
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Make port 7860 available to the world outside this container
-EXPOSE 7860
-
-# Define environment variable (corrected the syntax for environment variable name and value)
-# ENV FLASK_APP=app.py
-
-# Command to run the application
-CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]
+# Use the official Python image from the Docker Hub
+FROM python:3.10.0-slim-buster
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Create a directory for NLTK data and set the environment variable
+RUN mkdir -p /app/nltk_data
+ENV NLTK_DATA=/app/nltk_data
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Make port 7860 available to the world outside this container
+EXPOSE 7860
+
+# Command to run the application
+CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]