# Start from a lightweight Python 3.10 image
FROM python:3.10-slim

# Set the working directory inside the container
WORKDIR /code

# Set up the paddlex directories
RUN mkdir /.paddlex
RUN chmod -R 775 /.paddlex
RUN mkdir /.paddlex/temp
RUN chmod -R 775 /.paddlex/temp
RUN mkdir /.paddlex/func_ret
RUN chmod -R 775 /.paddlex/func_ret

# Install ALL essential system dependencies for OpenCV & Paddle
# libgl1: Fixes libGL.so.1 (OpenGL/GPU-related)
# libglib2.0-0: Fixes libgthread-2.0.so.0 (GTK/GLib dependency)
# libgomp1: Fixes libgomp.so.1 (GNU OpenMP/Multi-threading)
# The other three ensure robust image handling.
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    libgomp1 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy the requirements file *first* to leverage Docker cache
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy the rest of your application code
COPY . .

# Expose the port your app will run on
EXPOSE 7860

# Command to run your FastAPI app with uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]