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FROM eclipse-temurin:21-jre-alpine AS build-jsa
USER root
# Get Kafka from https://archive.apache.org/dist/kafka, url passed as env var, for version 3.7.0
ENV kafka_url https://archive.apache.org/dist/kafka/3.7.0/kafka_2.13-3.7.0.tgz
COPY jsa_launch /etc/kafka/docker/jsa_launch
RUN set -eux ; \
apk update ; \
apk upgrade ; \
apk add --no-cache wget gcompat gpg gpg-agent procps bash; \
mkdir opt/kafka; \
wget -nv -O kafka.tgz "$kafka_url"; \
wget -nv -O kafka.tgz.asc "$kafka_url.asc"; \
tar xfz kafka.tgz -C /opt/kafka --strip-components 1; \
wget -nv -O KEYS https://downloads.apache.org/kafka/KEYS; \
gpg --import KEYS; \
gpg --batch --verify kafka.tgz.asc kafka.tgz
# Generate jsa files using dynamic CDS for kafka server start command and kafka storage format command
RUN /etc/kafka/docker/jsa_launch
FROM eclipse-temurin:21-jre-alpine
# exposed ports
EXPOSE 9092
USER root
# Get Kafka from https://archive.apache.org/dist/kafka, url passed as env var, for version 3.7.0
ENV kafka_url https://archive.apache.org/dist/kafka/3.7.0/kafka_2.13-3.7.0.tgz
ENV build_date 2024-06-11
LABEL org.label-schema.name="kafka" \
org.label-schema.description="Apache Kafka" \
org.label-schema.build-date="${build_date}" \
org.label-schema.vcs-url="https://github.com/apache/kafka" \
maintainer="Apache Kafka"
RUN set -eux ; \
apk update ; \
apk upgrade ; \
apk add --no-cache wget gcompat gpg gpg-agent procps bash; \
mkdir opt/kafka; \
wget -nv -O kafka.tgz "$kafka_url"; \
wget -nv -O kafka.tgz.asc "$kafka_url.asc"; \
tar xfz kafka.tgz -C /opt/kafka --strip-components 1; \
wget -nv -O KEYS https://downloads.apache.org/kafka/KEYS; \
gpg --import KEYS; \
gpg --batch --verify kafka.tgz.asc kafka.tgz; \
mkdir -p /var/lib/kafka/data /etc/kafka/secrets; \
mkdir -p /etc/kafka/docker /usr/logs /mnt/shared/config; \
adduser -h /home/appuser -D --shell /bin/bash appuser; \
chown appuser:appuser -R /usr/logs /opt/kafka /mnt/shared/config; \
chown appuser:root -R /var/lib/kafka /etc/kafka/secrets /etc/kafka; \
chmod -R ug+w /etc/kafka /var/lib/kafka /etc/kafka/secrets; \
cp /opt/kafka/config/log4j.properties /etc/kafka/docker/log4j.properties; \
cp /opt/kafka/config/tools-log4j.properties /etc/kafka/docker/tools-log4j.properties; \
cp /opt/kafka/config/kraft/server.properties /etc/kafka/docker/server.properties; \
rm kafka.tgz kafka.tgz.asc KEYS; \
apk del wget gpg gpg-agent; \
apk cache clean;
COPY --from=build-jsa kafka.jsa /opt/kafka/kafka.jsa
COPY --from=build-jsa storage.jsa /opt/kafka/storage.jsa
COPY --chown=appuser:appuser resources/common-scripts /etc/kafka/docker
COPY --chown=appuser:appuser launch /etc/kafka/docker/launch
USER appuser
VOLUME ["/etc/kafka/secrets", "/var/lib/kafka/data", "/mnt/shared/config"]
CMD ["/etc/kafka/docker/run"]