ARG ALPINE_VERSION=3.21

FROM alpine:${ALPINE_VERSION}

ARG ALPINE_VERSION

RUN cd /etc/apk/keys && \
    wget "https://cdn.zero-downtime.net/alpine/stefan@zero-downtime.net-61bb6bfb.rsa.pub" && \
    echo "@kubezero https://cdn.zero-downtime.net/alpine/v${ALPINE_VERSION}/kubezero" >> /etc/apk/repositories && \
    apk upgrade -U -a --no-cache && \
    apk --no-cache add \
      ca-certificates \
      docker-registry@kubezero

USER docker-registry

VOLUME ["/var/lib/registry"]
EXPOSE 5000

COPY docker-entrypoint.sh /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]

CMD ["/etc/docker-registry/config.yml"]