FROM openjdk:8-jdk

MAINTAINER Wurstmeister

RUN apk add --update tar wget curl docker coreutils

ENV KAFKA_VERSION="0.8.1.1" SCALA_VERSION="2.9.2"
COPY kafka_2.9.2-0.8.1.1.tgz /tmp/kafka_2.9.2-0.8.1.1.tgz
RUN tar xfz /tmp/kafka_${SCALA_VERSION}-${KAFKA_VERSION}.tgz -C /opt

VOLUME ["/kafka"]

ENV KAFKA_HOME /opt/kafka_2.9.2-0.8.1.1
ADD start-kafka.sh /usr/bin/start-kafka.sh
ADD broker-list.sh /usr/bin/broker-list.sh
ADD create-topics.sh /usr/bin/create-topics.sh
# The scripts need to have executable permission
RUN chmod a+x /usr/bin/start-kafka.sh && \
    chmod a+x /usr/bin/broker-list.sh && \
    chmod a+x /usr/bin/create-topics.sh
# Use "exec" form so that it runs as PID 1 (useful for graceful shutdown)
CMD ["start-kafka.sh"]