FROM python:3.11-slim-bookworm

# Install system dependencies for MuJoCo and OpenCV
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglx0 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libgomp1 \
    libglfw3 \
    libglew2.2 \
    libosmesa6 \
    libegl1 \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code (including the static frontend directory)
COPY . .

# Enable GPU rendering for MuJoCo on HF (egl when GPU is available)
ENV NOVA_MUJOCO_GPU=1

# Performance tuning
ENV OMP_NUM_THREADS=4
ENV MKL_NUM_THREADS=4

# Hugging Face Spaces expects the app to bind to PORT (default 7860)
ENV PORT=7860

# Expose port
EXPOSE 7860

# Run the server
CMD ["python", "mujoco_server.py"]