Dockerfile

# Use Python 3.9 as the base image 
FROM python:3.9

# Create a user with ID 1000
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Set the working directory
WORKDIR /app

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

# Install system dependencies needed for OpenCV, Tesseract, and other libraries
USER root
RUN apt-get update && apt-get install -y \
    libgl1-mesa-glx \
    libglib2.0-0 \
    tesseract-ocr \
    && rm -rf /var/lib/apt/lists/*

# Return to the user 'user' for safety
USER user

# Copy the entire app directory to the container
COPY --chown=user . /app

# Set the command to run the app with Gunicorn
CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]