FROM python:3.9-slim-buster

# Supress TensorFlow & threading logs
ENV TF_CPP_MIN_LOG_LEVEL=3
ENV OMP_NUM_THREADS=4

# Set working directory
WORKDIR /app

# Install PostgreSQL dev libs and build tools
RUN apt-get update && apt-get install -y gcc libpq-dev && rm -rf /var/lib/apt/lists/*

# Copy and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy all project files (including app/, migrations/, aerich.ini, etc)
COPY . .

# Expose port for Hugging Face Spaces (7860 is default for FastAPI)
EXPOSE 7860

# Start: Migrate with Aerich, then launch FastAPI
CMD ["sh", "-c", "aerich upgrade && uvicorn app.main:app --host 0.0.0.0 --port 7860"]