Docker Registry Browser

Namespace

apache

Image / Tag

kafka:3.9.2

Content Digest

sha256:05b4616e0702ef2729327705d54ad6b50ea70b271c4b730fabd2320789fb7b02

linux / amd64
linux / arm64

Details

Created

2026-02-07 05:01:09 UTC

Size

208 MB

Content Digest

Labels

maintainer

Apache Kafka
org.label-schema.build-date

2026-02-07
org.label-schema.description

Apache Kafka
org.label-schema.name

kafka
org.label-schema.vcs-url

https://github.com/apache/kafka

Environment

JAVA_HOME

/opt/java/openjdk

JAVA_VERSION

jdk-21.0.10+7

LANG

en_US.UTF-8

LANGUAGE

en_US:en

LC_ALL

en_US.UTF-8

PATH

/opt/java/openjdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

Layers

[#000] sha256:589002ba0eaed121a1dbf42f6648f29e5be55d5c8a6ee0f8eaa0285cc21ac153 - 1.77% (3.68 MB)

[#001] sha256:71075870ab4982d45fa235ee69bf94cf05112736cabcd28cb26fe512a6cc2c15 - 7.73% (16.1 MB)

[#002] sha256:5df9c4c4dcbf56dc89e6ef5eb334bec79efa46ced3dd8fb4b4a2cb7d1985e1ab - 24.4% (50.7 MB)

[#003] sha256:1a7a516dcbb69b4973083542d2549433254cc064cec8da3251f7d889b69099e2 - 0.0% (128 Bytes)

[#004] sha256:3655cb26ed1af33f0fe5361c725d9b419f8f7e57bb595528b27cc387059adaa2 - 0.0% (2.23 KB)

[#005] sha256:dec738f097b7f403deeeead7192fec774a808c2d1e03a81e6315e34274009606 - 58.16% (121 MB)

[#006] sha256:357990afefc37bbb8dfb658560a1d04e7ab0816b7ad18410b5956c83b6b1a189 - 5.98% (12.4 MB)

[#007] sha256:55331b1cc82e637a9db85be827d7e0dde833a8abc116e53c22c081a61a686697 - 1.94% (4.04 MB)

[#008] sha256:e893d69d906f39793633d9cfbfdc290838b1443178f132eda30cfe656f0b3da4 - 0.0% (2.23 KB)

[#009] sha256:98c4f4019b1b6e09fbd127f4c83cb99fd59fce4d6c84cae3c1d25e2e638f019c - 0.0% (1.54 KB)

History

2026-01-28 01:18:04 UTC (buildkit.dockerfile.v0)

ADD alpine-minirootfs-3.23.3-x86_64.tar.gz / # buildkit

2026-01-28 01:18:04 UTC (buildkit.dockerfile.v0)

CMD ["/bin/sh"]

2026-02-05 22:20:38 UTC (buildkit.dockerfile.v0)

ENV JAVA_HOME=/opt/java/openjdk

2026-02-05 22:20:38 UTC (buildkit.dockerfile.v0)

ENV PATH=/opt/java/openjdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

2026-02-05 22:20:38 UTC (buildkit.dockerfile.v0)

ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8

2026-02-05 22:20:38 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; apk add --no-cache fontconfig ttf-dejavu gnupg ca-certificates p11-kit-trust musl-locales musl-locales-lang tzdata coreutils openssl ; rm -rf /var/cache/apk/* # buildkit

2026-02-05 22:20:38 UTC (buildkit.dockerfile.v0)

ENV JAVA_VERSION=jdk-21.0.10+7

2026-02-05 22:20:41 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; ARCH="$(apk --print-arch)"; case "${ARCH}" in aarch64) ESUM='d1cd7b33dcd81293b0b705f4d0e79adce092786be31736a63abe6a4b31841ae5'; BINARY_URL='https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.10%2B7/OpenJDK21U-jre_aarch64_alpine-linux_hotspot_21.0.10_7.tar.gz'; ;; x86_64) ESUM='4f6200277644afe6ad49218ae1dd45ab3d0d0b2ac4109163604e36156a93a306'; BINARY_URL='https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.10%2B7/OpenJDK21U-jre_x64_alpine-linux_hotspot_21.0.10_7.tar.gz'; ;; *) echo "Unsupported arch: ${ARCH}"; exit 1; ;; esac; wget -O /tmp/openjdk.tar.gz ${BINARY_URL}; wget -O /tmp/openjdk.tar.gz.sig ${BINARY_URL}.sig; export GNUPGHOME="$(mktemp -d)"; gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 3B04D753C9050D9A5D343F39843C48A565F8F04B; gpg --batch --verify /tmp/openjdk.tar.gz.sig /tmp/openjdk.tar.gz; rm -rf "${GNUPGHOME}" /tmp/openjdk.tar.gz.sig; echo "${ESUM} */tmp/openjdk.tar.gz" | sha256sum -c -; mkdir -p "$JAVA_HOME"; tar --extract --file /tmp/openjdk.tar.gz --directory "$JAVA_HOME" --strip-components 1 --no-same-owner ; rm -f /tmp/openjdk.tar.gz; # buildkit

2026-02-05 22:20:41 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; echo "Verifying install ..."; echo "java --version"; java --version; echo "Complete." # buildkit

2026-02-05 22:20:41 UTC (buildkit.dockerfile.v0)

COPY --chmod=755 entrypoint.sh /__cacert_entrypoint.sh # buildkit

2026-02-05 22:20:41 UTC (buildkit.dockerfile.v0)

ENTRYPOINT ["/__cacert_entrypoint.sh"]

2026-02-07 05:00:47 UTC (buildkit.dockerfile.v0)

EXPOSE [9092/tcp]

2026-02-07 05:00:47 UTC (buildkit.dockerfile.v0)

USER root

2026-02-07 05:00:47 UTC (buildkit.dockerfile.v0)

ARG kafka_url=https://dist.apache.org/repos/dist/dev/kafka/3.9.2-rc1/kafka_2.13-3.9.2.tgz

2026-02-07 05:00:47 UTC (buildkit.dockerfile.v0)

ARG build_date=2026-02-07

2026-02-07 05:00:47 UTC (buildkit.dockerfile.v0)

LABEL org.label-schema.name=kafka org.label-schema.description=Apache Kafka org.label-schema.build-date=2026-02-07 org.label-schema.vcs-url=https://github.com/apache/kafka maintainer=Apache Kafka

2026-02-07 05:00:47 UTC (buildkit.dockerfile.v0)

RUN |2 kafka_url=https://dist.apache.org/repos/dist/dev/kafka/3.9.2-rc1/kafka_2.13-3.9.2.tgz build_date=2026-02-07 /bin/sh -c 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; # buildkit