Create Dockerfile

Dockerfile

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+FROM python:3.12.2
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1 \
+    NLTK_DATA=/root/nltk_data \
+    FLASK_ENV=production \
+    FLASK_APP=app.py \
+    PORT=5003
+
+# Set working directory in container
+WORKDIR /app
+
+# Copy the current directory contents into the container
+COPY . .
+
+# Install dependencies
+RUN pip install -r requirements.txt
+
+# Preload NLTK data
+RUN python -m nltk.downloader punkt punkt_tab -d /root/nltk_data
+
+# Expose the port the app runs on
+EXPOSE 5003
+
+# Run the Flask app
+# CMD ["gunicorn", "app:app", "--bind", "0.0.0.0:5000"]
+CMD ["python", "app.py"]