kafka

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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements.  See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License.  You may obtain a copy of the License at
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#
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#    http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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FROM ghcr.io/graalvm/graalvm-community:21 AS build-native-image
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ARG kafka_url
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WORKDIR /app
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ENV KAFKA_URL=$kafka_url
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ENV NATIVE_IMAGE_PATH="native-image"
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ENV KAFKA_DIR="/app/kafka"
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ENV NATIVE_CONFIGS_DIR="/app/native-image-configs"
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ENV KAFKA_LIBS_DIR="$KAFKA_DIR/libs"
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ENV TARGET_PATH="$KAFKA_DIR/kafka.Kafka"
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COPY native-image-configs $NATIVE_CONFIGS_DIR
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COPY native_command.sh native_command.sh
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RUN mkdir $KAFKA_DIR; \
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    microdnf install wget; \
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    wget -nv -O kafka.tgz "$KAFKA_URL"; \
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    wget -nv -O kafka.tgz.asc "$KAFKA_URL.asc"; \
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    tar xfz kafka.tgz -C $KAFKA_DIR --strip-components 1; \
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    wget -nv -O KEYS https://downloads.apache.org/kafka/KEYS; \
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    gpg --import KEYS; \
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    gpg --batch --verify kafka.tgz.asc kafka.tgz; \
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    rm kafka.tgz ; \
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# Build the native-binary of the apache kafka using graalVM native-image.
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    /app/native_command.sh $NATIVE_IMAGE_PATH $NATIVE_CONFIGS_DIR $KAFKA_LIBS_DIR $TARGET_PATH
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FROM alpine:latest
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EXPOSE 9092
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ARG build_date
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LABEL org.label-schema.name="kafka" \
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      org.label-schema.description="Apache Kafka" \
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      org.label-schema.build-date="${build_date}" \
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      org.label-schema.vcs-url="https://github.com/apache/kafka" \
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      maintainer="Apache Kafka"
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RUN apk update ; \
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    apk add --no-cache gcompat ; \
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    apk add --no-cache bash ; \
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    mkdir -p /etc/kafka/docker /mnt/shared/config /opt/kafka/config /etc/kafka/secrets ; \
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    adduser -h /home/appuser -D --shell /bin/bash appuser ; \
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    chown appuser:root -R /etc/kafka /opt/kafka /mnt/shared/config ; \
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    chmod -R ug+w /etc/kafka /opt/kafka /mnt/shared/config ;
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COPY --chown=appuser:root --from=build-native-image /app/kafka/kafka.Kafka /opt/kafka/
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COPY --chown=appuser:root --from=build-native-image /app/kafka/config/kraft/server.properties /etc/kafka/docker/
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COPY --chown=appuser:root --from=build-native-image /app/kafka/config/log4j.properties /etc/kafka/docker/
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COPY --chown=appuser:root --from=build-native-image /app/kafka/config/tools-log4j.properties /etc/kafka/docker/
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COPY --chown=appuser:root resources/common-scripts /etc/kafka/docker/
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COPY --chown=appuser:root launch /etc/kafka/docker/
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USER appuser
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VOLUME ["/etc/kafka/secrets", "/mnt/shared/config"]
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CMD ["/etc/kafka/docker/run"]
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