Dockerfile.kafka

FROM registry.access.redhat.com/ubi8/ubi-minimal:latest

USER root

RUN microdnf update \
    && microdnf install curl gzip java-11-openjdk-headless tar \
    && microdnf clean all

ENV JAVA_HOME=/usr/lib/jvm/jre-11

# https://docs.oracle.com/javase/7/docs/technotes/guides/net/properties.html
# Ensure Java doesn't cache any dns results
RUN cd /etc/java/java-11-openjdk/*/conf/security \
  && sed -e '/networkaddress.cache.ttl/d' -e '/networkaddress.cache.negative.ttl/d' -i java.security \
  && echo 'networkaddress.cache.ttl=0' >> java.security \
  && echo 'networkaddress.cache.negative.ttl=0' >> java.security

# https://github.com/apache/kafka/blob/0d518aaed158896ee9ee6949b8f38128d1d73634/tests/docker/Dockerfile#L65-L67
ARG KAFKA_MIRROR="https://s3-us-west-2.amazonaws.com/kafka-packages"
RUN mkdir -p "/opt/kafka-2.8.1" && chmod a+rw /opt/kafka-2.8.1 && curl -s "$KAFKA_MIRROR/kafka_2.12-2.8.1.tgz" | tar xz --strip-components=1 -C "/opt/kafka-2.8.1"
RUN mkdir -p "/opt/kafka-3.0.1" && chmod a+rw /opt/kafka-3.0.1 && curl -s "$KAFKA_MIRROR/kafka_2.12-3.0.1.tgz" | tar xz --strip-components=1 -C "/opt/kafka-3.0.1"
RUN mkdir -p "/opt/kafka-3.1.0" && chmod a+rw /opt/kafka-3.1.0 && curl -s "$KAFKA_MIRROR/kafka_2.12-3.1.0.tgz" | tar xz --strip-components=1 -C "/opt/kafka-3.1.0"

COPY entrypoint.sh /

ENTRYPOINT ["/entrypoint.sh"]