FROM redis:6-alpine

ENV SENTINEL_QUORUM 2
ENV SENTINEL_DOWN_AFTER 1000
ENV SENTINEL_FAILOVER 1000

RUN mkdir -p /redis

WORKDIR /redis

COPY sentinel.conf .
COPY sentinel-entrypoint.sh /usr/local/bin/

RUN chown redis:redis /redis/* && \
    chmod +x /usr/local/bin/sentinel-entrypoint.sh

EXPOSE 26379

ENTRYPOINT ["sentinel-entrypoint.sh"]