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backend_files/Dockerfile

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+FROM python:3.9-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy all files from the current directory to the container's working directory
+COPY . .
+
+# Install dependencies from the requirements file without using cache to reduce image size
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Define the command to start the application using Gunicorn with 4 worker processes
+# - -w 4: Uses 4 worker processes for handling requests
+# - -b 0.0.0.0:7860: Binds the server to port 7860 on all network interfaces
+# - pp:app: Runs the Flask app (assuming pp.py contains the Flask instance named pp)
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:rental_price_predictor_api"]