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FROM python:3.9-slim
# Set the working directory inside the container
WORKDIR /app
# Copy dependency file first (better layer caching)
COPY requirements.txt .
# Install dependencies without cache
RUN pip install --no-cache-dir --upgrade -r requirements.txt
# Copy the rest of the code
COPY . .
# Environment variable for Hugging Face Spaces (or Docker run)
ENV PORT=7860
# Expose the port
EXPOSE $PORT
# Start the Flask app using Gunicorn with 4 worker processes
# - "app:extraaLearn_predictor_api" → app.py has Flask instance named extraaLearn_predictor_api
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:extraaLearn_predictor_api"]
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