Dockerfile

# Use slim Python
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Copy your app and model
COPY . .

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    ffmpeg \
    libsm6 \
    libxext6 \
    g++ \
    build-essential \
    cmake \
    python3-dev \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip
RUN pip install --upgrade pip

# Install PyTorch CPU
RUN pip install torch==2.0.1+cpu torchvision==0.15.2+cpu --index-url https://download.pytorch.org/whl/cpu

# Install Python dependencies
RUN pip install -r requirements.txt

# Clone Detectron2 so we have the full project including PointRend YAMLs
RUN git clone https://github.com/facebookresearch/detectron2.git /app/detectron2
RUN python -m pip install -e /app/detectron2

# Expose FastAPI port
EXPOSE 7860

# Start FastAPI app
CMD ["uvicorn", "main3:app", "--host", "0.0.0.0", "--port", "7860"]