It would be nice to decrease the image size for the final Docker image. I'm currently

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Decrease Image Size about confluent-tools HOT 3 CLOSED

devshawn commented on September 27, 2024

Decrease Image Size

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Comments (3)

inductor commented on September 27, 2024

Changing some codes, I could make it to 451MB, but because the confluent tar file is already over 300MB, I do not think there's much to do with it.

I'll show you what I did there anyway...!

FYI, if you don't install bash in alpine and just use ash, the image becomes 447MB.

FROM openjdk:8

ENV CONFLUENT_URL=http://packages.confluent.io/archive/5.1/confluent-community-5.1.0-2.11.tar.gz
ENV CONFLUENT_TMP_DEST=/opt/confluent.tgz
ENV CONFLUENT_WORKDIR=/opt/confluent

RUN wget $CONFLUENT_URL -O ${CONFLUENT_TMP_DEST} && \
    mkdir -p ${CONFLUENT_WORKDIR} && \
    tar -xvzpf ${CONFLUENT_TMP_DEST} --strip-components=1 -C ${CONFLUENT_WORKDIR} && \
    rm -rf /opt/confluent/share/doc /opt/confluent/src /opt/confluent/lib

FROM openjdk:8-jre-alpine
RUN apk add --no-cache bash

COPY --from=0 /opt/confluent /opt/confluent
COPY run /opt/confluent/bin/run
ENV PATH /opt/confluent/bin:$PATH

WORKDIR [ "/opt/confluent/bin" ]
ENTRYPOINT [ "tail", "-f", "/dev/null" ]

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inductor commented on September 27, 2024

@devshawn

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devshawn commented on September 27, 2024

@inductor - sorry, I totally missed this... been quite busy. Thanks for looking into this! I'll likely just leave it as is since we don't save much space anyway.

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