Dockerfile

FROM python:3.9-slim

# Set working directory inside the container
WORKDIR /app

# Copy requirements first (to leverage Docker cache for faster builds)
COPY requirements.txt .

# Install dependencies without cache
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy the rest of the application files
COPY . .

# Expose the application port
EXPOSE 7860

# Start the application with Gunicorn (4 workers)
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:sales_predictor_api"]