FROM centos:7
ARG JAVA_VERSION=11

RUN yum -y update \
    && yum -y install java-${JAVA_VERSION}-openjdk-headless openssl bind-utils \
    && yum -y clean all

#####
# Add Tini
#####
ENV TINI_VERSION v0.18.0
ENV TINI_SHA256=12d20136605531b09a2c2dac02ccee85e1b874eb322ef6baf7561cd93f93c855
ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /usr/bin/tini
RUN echo "${TINI_SHA256} */usr/bin/tini" | sha256sum -c \
    && chmod +x /usr/bin/tini