FROM python:3.12-alpine AS builder

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

WORKDIR /app

RUN apk add --no-cache \
        build-base \
        freetds \
        freetds-dev \
        linux-headers \
        postgresql-dev \
        python3-dev \
        tzdata

COPY req.txt .
RUN pip install --upgrade pip \
    && pip wheel --wheel-dir /wheels -r req.txt

FROM python:3.12-alpine AS runtime

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

WORKDIR /app

RUN apk add --no-cache \
        freetds \
        libpq \
        tzdata

COPY req.txt .
COPY --from=builder /wheels /wheels
RUN pip install --upgrade pip \
    && pip install --no-index --find-links=/wheels -r req.txt \
    && rm -rf /wheels

COPY app ./app
COPY main.py .
COPY sql ./sql

RUN mkdir -p logs

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]