Dockerfile

FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    ffmpeg \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Install uv
COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv

# Set working directory
WORKDIR /app

# Clone ByteTrack
RUN git clone https://github.com/ifzhang/ByteTrack.git

# Fix ByteTrack dependencies and code
WORKDIR /app/ByteTrack
RUN sed -i '/lap/d' requirements.txt && \
    sed -i '/onnx-simplifier/d' requirements.txt && \
    sed -i '/numpy/d' requirements.txt && \
    sed -i '/motmetrics/d' requirements.txt && \
    sed -i 's/opencv_python/opencv-python-headless/g' requirements.txt

# Relax onnx versions
RUN sed -i 's/onnx==1.8.1/onnx>=1.9.0/g' requirements.txt && \
    sed -i 's/onnxruntime==1.8.0/onnxruntime>=1.8.0/g' requirements.txt

# Fix np.float in python files using safe script
COPY fix_code.py /app/ByteTrack/
RUN python fix_code.py && rm fix_code.py

# Pre-install build dependencies (Required for cython_bbox calculation)
RUN uv pip install --system cython numpy

# Install packages that usually require compilation or have tricky deps
RUN uv pip install --system cython_bbox lapx

# Install ByteTrack
RUN uv pip install --system -r requirements.txt
RUN uv pip install --system --no-build-isolation -e .

WORKDIR /app

# Copy project files
COPY pyproject.toml .
COPY app.py .
COPY tracker.py .
COPY utils.py .
COPY speed_config.py .

# Install project dependencies
RUN uv pip install --system -r pyproject.toml

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

# Run the app
CMD ["uv", "run", "app.py"]