FROM python:3.9

RUN useradd -m -u 1000 user
USER user

ENV HOME=/home/user \
	PATH=/home/user/.local/bin:$PATH \
	PYTHONDONTWRITEBYTECODE=1 \
	PYTHONUNBUFFERED=1

WORKDIR $HOME/app

# Copy requirements first for better caching
COPY --chown=user requirements.txt requirements.txt

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

# Copy application code
COPY --chown=user . .

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