Dockerfile

# Start with a base Python image
FROM python:3.9

# Install required system dependencies for OpenCV
RUN apt-get update && apt-get install -y \
    libgl1-mesa-glx \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user to run the app
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Set the working directory
WORKDIR /app

# Copy the requirements file and install dependencies
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY --chown=user . /app

# Expose the port your Flask app runs on
EXPOSE 5000

# Run the Flask app using Gunicorn
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:5000", "app:app"]