FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 8000

# Default: run uvicorn with hot reload for dev.
# We pass --log-level explicitly from $LOG_LEVEL (lowercased) so uvicorn's own
# loggers (uvicorn, uvicorn.access) start at the right level from the very
# first request — without this, they stay at INFO until our lifespan runs.
# uvicorn only accepts lowercase values ('critical'|'error'|'warning'|'info'|'debug'|'trace'),
# so we pipe through `tr` to lowercase. Shell form (not exec form) for ${LOG_LEVEL}
# interpolation.
CMD sh -c 'LVL="${LOG_LEVEL:-info}"; exec uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload --log-level "$(printf "%s" "$LVL" | tr "A-Z" "a-z")"'