FROM alpine:latest

RUN apk --update -t add \
        keepalived \
        curl \
        ca-certificates \
        iproute2 \
        grep \
        bash \
        tcpdump \
        tini \
        sed \
    && update-ca-certificates \
    && rm -rf /var/cache/apk/* /tmp/* \
    && keepalived --version

COPY run.sh /usr/local/bin/
COPY keepalived.tmpl /etc/keepalived/

RUN chmod +x /usr/local/bin/run.sh; chown root:root /usr/local/bin/run.sh

ENTRYPOINT ["/sbin/tini", "--"]

# RUN script
CMD ["run.sh"]