Update Dockerfile

Dockerfile

@@ -1,15 +1,29 @@
-# Use the official Python 3.11 image
-FROM python:3.11
+# Use an official Python runtime as a parent image
+FROM python:3.11-slim
 
-# Copy the current directory contents into the container at .
-COPY . .
+# Set the working directory in the container
+WORKDIR /app
 
-# Set the working directory to /
-WORKDIR /
+# Copy the current directory contents into the container at /app
+COPY . /app
 
-# Install requirements.txt 
-RUN pip install --no-cache-dir --upgrade -r /requirements.txt
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Create a directory for NLTK data
+RUN mkdir -p /app/nltk_data
+
+# Set the NLTK_DATA environment variable
+ENV NLTK_DATA=/app/nltk_data
+
+# Download NLTK data
 RUN python -m nltk.downloader stopwords punkt
 
+# Make port 80 available to the world outside this container
+EXPOSE 80
+
+# Define environment variable
+ENV NAME World
+
 # Start the FastAPI app on port 7860, the default port expected by Spaces
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]