FROM pytorch/pytorch:2.7.0-cuda12.6-cudnn9-runtime

# Install system dependencies as root first
RUN apt-get update && apt-get install -y \
    # libGL runtime needed by OpenCV when non-headless builds are present
    libgl1 \
    libgl1-mesa-dri \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    libgtk-3-0 \
    libgdk-pixbuf2.0-0 \
    libxss1 \
    libnss3 \
    libxrandr2 \
    libasound2 \
    libpangocairo-1.0-0 \
    libatk1.0-0 \
    libcairo-gobject2 \
    libfontconfig1 \
    libx11-6 \
    libx11-xcb1 \
    libxcb1 \
    libxcomposite1 \
    libxcursor1 \
    libxdamage1 \
    libxfixes3 \
    libxi6 \
    libxrandr2 \
    libxrender1 \
    libxss1 \
    libxtst6 \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set the working directory to the user's home directory
WORKDIR $HOME/app

# Try and run pip command after setting the user with `USER user` to avoid permission issues with Python
RUN pip install --no-cache-dir --upgrade pip

# Copy requirements first for better caching
COPY --chown=user requirements.txt .

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

# Copy application code
COPY --chown=user . .

# Expose port
EXPOSE 7860

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV HF_HUB_DISABLE_TELEMETRY=1

# Run the application
CMD ["python", "app.py"]