FROM python:3.13-alpine

RUN apk add --no-cache bash tzdata \
    && cp /usr/share/zoneinfo/Europe/Prague /etc/localtime \
    && echo "Europe/Prague" > /etc/timezone

ENV PYTHONUNBUFFERED=1

WORKDIR /app

RUN pip install --no-cache-dir \
    flask \
    google-api-python-client \
    google-auth-httplib2 \
    google-auth-oauthlib \
    qrcode \
    pillow \
    gunicorn

COPY app.py Makefile ./
COPY scripts/ ./scripts/
COPY templates/ ./templates/

COPY build/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

ARG GIT_TAG=unknown
ARG GIT_COMMIT=unknown
ARG BUILD_DATE=unknown

LABEL org.opencontainers.image.version="${GIT_TAG}" \
      org.opencontainers.image.revision="${GIT_COMMIT}" \
      org.opencontainers.image.created="${BUILD_DATE}" \
      org.opencontainers.image.title="fuj-management"

RUN echo "{\"tag\": \"${GIT_TAG}\", \"commit\": \"${GIT_COMMIT}\", \"build_date\": \"${BUILD_DATE}\"}" > /app/build_meta.json

EXPOSE 5001

HEALTHCHECK --interval=60s --timeout=5s --start-period=5s \
    CMD wget -q -O /dev/null http://localhost:5001/ || exit 1

ENTRYPOINT ["/entrypoint.sh"]