FROM python:3.9-slim

WORKDIR /app

# Create cache and config directories with permissions
RUN mkdir -p /tmp/huggingface/hub \
    && mkdir -p /tmp/pretrained_models \
    && mkdir -p /app/.streamlit \
    && chmod -R 777 /tmp/huggingface \
    && chmod -R 777 /tmp/pretrained_models \
    && chmod -R 777 /app/.

# Set environment variables
ENV TRANSFORMERS_CACHE=/tmp/huggingface
ENV HF_HOME=/tmp/huggingface
ENV XDG_CACHE_HOME=/app/.streamlit
ENV HOME=/app

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

# Install Python packages
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy app files
COPY app.py ./
COPY utils/ ./utils/
COPY models/ ./models/
COPY .streamlit/ .streamlit/

# Fix permissions after copying files
RUN chmod -R 777 /tmp/huggingface \
    && chmod -R 777 /tmp/pretrained_models \
    && chmod -R 777 /app/.streamlit

EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]