FROM python:3.9-slim

WORKDIR /app

# Install system dependencies including ffmpeg for audio processing
# Add retry logic and better mirrors for improved network reliability
RUN apt-get update --allow-releaseinfo-change || (sleep 2 && apt-get update) && \
    apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    ffmpeg \
    libsndfile1 \
    ca-certificates \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Set pip to have more retries and timeout
ENV PIP_DEFAULT_TIMEOUT=100
ENV PIP_RETRIES=3
ENV PYTHONUNBUFFERED=1

# Copy requirements and install Python dependencies
COPY requirements.txt ./
RUN pip install --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt || \
    (sleep 2 && pip install --no-cache-dir -r requirements.txt)

# Create cookies directory for user uploads
RUN mkdir -p /app/cookies

# Copy source code
COPY src/ ./src/

# Create directory for temporary model storage
RUN mkdir -p /app/tmp_model

# Expose the port Streamlit will run on
EXPOSE 8501

# Health check to ensure the service is running
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# Run the Streamlit app
ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]