FROM python:3.10-slim

WORKDIR /app

# Install dependencies for Playwright
RUN apt-get update && apt-get install -y \
    wget \
    gnupg \
    libglib2.0-0 \
    libnss3 \
    libnspr4 \
    libatk1.0-0 \
    libatk-bridge2.0-0 \
    libcups2 \
    libdrm2 \
    libdbus-1-3 \
    libxcb1 \
    libxkbcommon0 \
    libx11-6 \
    libxcomposite1 \
    libxdamage1 \
    libxext6 \
    libxfixes3 \
    libxrandr2 \
    libgbm1 \
    libpango-1.0-0 \
    libcairo2 \
    libasound2 \
    libatspi2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user and set up cache directories with proper permissions
RUN useradd -m -u 1000 user && \
    mkdir -p /home/user/.cache/huggingface && \
    mkdir -p /home/user/.cache/torch && \
    mkdir -p /home/user/.cache/sentence_transformers && \
    chown -R user:user /home/user/.cache

# Set environment variables for Hugging Face cache
ENV HF_HOME=/home/user/.cache/huggingface
ENV TRANSFORMERS_CACHE=/home/user/.cache/huggingface
ENV SENTENCE_TRANSFORMERS_HOME=/home/user/.cache/sentence_transformers
ENV TORCH_HOME=/home/user/.cache/torch

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Install Playwright browsers
RUN playwright install chromium --with-deps

# Copy the rest of the application
COPY . .

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

# Switch to the non-root user
USER user

# Expose the port the app runs on
EXPOSE 7860

# Command to run the application
CMD ["python", "app.py"]