# =============================================================================
# yt-local — multi-stage, non-root, Tor-ready
# =============================================================================

# --------------- build stage ---------------
FROM python:3.11-alpine AS builder

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

RUN apk add --no-cache build-base libffi-dev

COPY requirements.txt /tmp/requirements.txt
RUN pip install --prefix=/install --no-cache-dir -r /tmp/requirements.txt

# --------------- runtime stage ---------------
FROM python:3.11-alpine

LABEL maintainer="heckyel@riseup.net"
LABEL org.opencontainers.image.source="https://git.sr.ht/~heckyel/yt-local"
LABEL org.opencontainers.image.licenses="AGPL-3.0"

ENV LANG=C.UTF-8 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    HOME=/home/appuser

# tor package creates its own tor user/group and /var/lib/tor
# su-exec for privilege drop in entrypoint
RUN apk add --no-cache tor su-exec

# App user (non-root)
RUN addgroup -g 1000 -S appgroup \
 && adduser  -u 1000 -S appuser -G appgroup -h /home/appuser

# Python packages from builder
COPY --from=builder /install /usr/local

# Application source (root-owned, read-only for appuser)
WORKDIR /srv/app
COPY --chown=root:root . /srv/app/

# Compile translations (.po → .mo)
RUN python manage_translations.py compile

# Persistent data dir (settings.txt, data/, etc.)
RUN mkdir -p /home/appuser/.yt-local/data \
 && chown -R appuser:appgroup /home/appuser/.yt-local \
 && chmod 750 /home/appuser/.yt-local

VOLUME /home/appuser/.yt-local

# Tor: fix perms on dirs already created by apk
RUN chown tor:tor /var/lib/tor /var/log/tor \
 && chmod 700 /var/lib/tor /var/log/tor

# Entrypoints (root-owned, executable)
COPY --chmod=755 entrypoint.sh entrypoint-tor.sh /

EXPOSE 9010

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD sh -c 'python -c "import urllib.request; urllib.request.urlopen(\"http://127.0.0.1:9010\")"'

ENTRYPOINT ["/entrypoint.sh"]