FROM debian:buster-slim

RUN apt update -y \
    && apt install -y zabbix-agent dnsutils curl jq && \
    rm -rf /var/lib/apt/lists/*

COPY zabbix_dns_records_check.sh /usr/local/bin/zabbix_dns_records_check.sh
COPY zabbix_create_host.sh /usr/local/bin/zabbix_create_host.sh
COPY run.sh /usr/local/bin/run.sh

ADD zabbix_jrpc_files/* /usr/local/lib/
COPY zabbix_templates/* /usr/local/lib/

RUN chmod 755 /usr/local/bin/*

RUN sed -i -e 's/^Server=127.0.0.1$/Server=${ZABBIX_SERVER}/' /etc/zabbix/zabbix_agentd.conf; \
    sed -i -e 's/^ServerActive=127.0.0.1$/ServerActive=${ZABBIX_SERVER}/' /etc/zabbix/zabbix_agentd.conf

CMD /usr/local/bin/run.sh