FROM python:3.12-slim

# Install system dependencies (only what’s needed for pip + BigQuery client)
RUN apt-get update && apt-get install -y \
    gcc \
    libpq-dev \
    curl \
    ca-certificates \
 && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /workspace

# Copy requirements first (better Docker caching)
COPY requirements.txt .

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

# Copy the rest of the code
COPY . /workspace

# Expose FastAPI port (if using API mode)
EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]