FROM python:3.9-slim

WORKDIR /app

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

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

# Install Python dependencies
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy application files
COPY app.py ./
COPY integrated_optimizer.py ./
COPY skill_optimizer.py ./
COPY intent_parser.py ./
COPY team_data.json ./
COPY employees_data.json ./


# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH="${PYTHONPATH}:/app"

# Expose Streamlit port
EXPOSE 8501

# Health check for Streamlit
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

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