Create Dockerfile

Dockerfile

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+FROM python:3.9
+
+# Set environment variables
+ENV MPLCONFIGDIR /tmp/matplotlib-cache
+ENV NLTK_DATA /nltk_data
+ENV FONTCONFIG_PATH=/tmp/fontconfig-cache
+
+# Create writable directories
+RUN mkdir -p /tmp/matplotlib-cache /nltk_data \
+    && chmod 777 /tmp/matplotlib-cache /nltk_data
+RUN mkdir -p $FONTCONFIG_PATH && chmod 777 $FONTCONFIG_PATH
+# Set the working directory
+WORKDIR /
+
+# Copy requirements.txt and install dependencies
+COPY ./requirements.txt /requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /requirements.txt
+
+# Copy the rest of the application files
+COPY . .
+
+# Expose the required port
+EXPOSE 7860
+
+# Run the application with Gunicorn
+CMD ["gunicorn", "-w", "1", "-b", "0.0.0.0:7860", "app:app"]
+