FROM alpine:3.22

RUN --mount=type=cache,target=/var/cache/apk apk add python python-pipx
RUN addgroup -S dyndns
RUN adduser -D -S -h /var/lib/dyndns -G dyndns dyndns

ADD --chown=dyndns:dyndns pypirc /var/lib/dyndns/.pypirc

USER dyndsn
WORKDIR /var/lib/dyndns
RUN pipx install dyndns