Dockerfile

# Use Python 3.11 as the base image
FROM python:3.11-slim

# Install system dependencies for OpenCV and MediaPipe
# libgl1 and libglib2.0-0 are required for cv2
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
	PATH=/home/user/.local/bin:$PATH

# Set the working directory to the user's home directory
WORKDIR $HOME/app

# Copy the current directory contents into the container at $HOME/app setting the owner to the user
COPY --chown=user . $HOME/app

# Install requirements
# Note: requirements.txt must be present
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Create uploads folder if it doesn't exist, to ensure permissions are correct
RUN mkdir -p uploads

# Expose port 7860 (Hugging Face Spaces default)
EXPOSE 7860

# Command to run the application using Gunicorn
# Timeout increased for model loading, threads added for streaming concurrency
CMD ["gunicorn", "-b", "0.0.0.0:7860", "--workers", "1", "--threads", "8", "--timeout", "120", "app:app"]