library
    eclipse-temurin
    21.0.10_7-jdk-alpine
Namespace
library
Image / Tag
eclipse-temurin:21.0.10_7-jdk-alpine
Content Digest
sha256:bcc7ec7e8fef937ba9f01ee5f810361d722c6b5dbe19ac188ab7b25c1a4dd2c9
Details
Created

2026-04-15 20:34:02 UTC

Size

175 MB

Content Digest
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] sha256:6a0ac1617861a677b045b7ff88545213ec31c0ff08763195a70a4a5adda577bb - 2.11% (3.69 MB)

[#001] sha256:b5ef2c34364d42e41eb14af65c85cfcd9ba8407f18b51bde4f6428bff92388a2 - 11.63% (20.3 MB)

[#002] sha256:136a888652a1277373c20061d1c0d79e332ba8eece5ba04c0c24fce61ce8940d - 86.26% (151 MB)

[#003] sha256:5b440bedad35bcaf95f5c16474e5bcdc67677eca1377bc3b6bd9a64aa13552d0 - 0.0% (130 Bytes)

[#004] sha256:07c1bb0b54884876ce179c9ad3683a68d7689b97597df8b1b2dfeeaaf5e7b60e - 0.0% (2.23 KB)

History
2026-04-15 20:01:40 UTC (buildkit.dockerfile.v0)

ADD alpine-minirootfs-3.23.4-x86_64.tar.gz / # buildkit

2026-04-15 20:01:40 UTC (buildkit.dockerfile.v0)

CMD ["/bin/sh"]

2026-04-15 20:33:52 UTC (buildkit.dockerfile.v0)

ENV JAVA_HOME=/opt/java/openjdk

2026-04-15 20:33:52 UTC (buildkit.dockerfile.v0)

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

2026-04-15 20:33:52 UTC (buildkit.dockerfile.v0)

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

2026-04-15 20:33:52 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 binutils tzdata coreutils openssl ; rm -rf /var/cache/apk/* # buildkit

2026-04-15 20:33:52 UTC (buildkit.dockerfile.v0)

ENV JAVA_VERSION=jdk-21.0.10+7

2026-04-15 20:34:01 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; ARCH="$(apk --print-arch)"; case "${ARCH}" in aarch64) ESUM='19eba6c3877612157ef1f46deb92745b4567cfcd64b79f15449c68cd2b7501e3'; BINARY_URL='https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.10%2B7/OpenJDK21U-jdk_aarch64_alpine-linux_hotspot_21.0.10_7.tar.gz'; ;; x86_64) ESUM='8eb39f442c3c603e414af43844b419a9b5d4f3fe221181f323aa4eec1bd20cf8'; BINARY_URL='https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.10%2B7/OpenJDK21U-jdk_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 ${JAVA_HOME}/lib/src.zip; # buildkit

2026-04-15 20:34:02 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; echo "Verifying install ..."; fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java; echo "javac --version"; javac --version; echo "java --version"; java --version; echo "Complete." # buildkit

2026-04-15 20:34:02 UTC (buildkit.dockerfile.v0)

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

2026-04-15 20:34:02 UTC (buildkit.dockerfile.v0)

ENTRYPOINT ["/__cacert_entrypoint.sh"]

2026-04-15 20:34:02 UTC (buildkit.dockerfile.v0)

CMD ["jshell"]

Details
Created

2026-04-15 20:34:05 UTC

Size

173 MB

Content Digest
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:d17f077ada118cc762df373ff803592abf2dfa3ddafaa7381e364dd27a88fca7 - 2.31% (4.01 MB)

[#001] sha256:daaacc5fcb81aaf4c24ca62b7c7d748d4925abc4199e39981b80b93898777d06 - 11.73% (20.3 MB)

[#002] sha256:4ea8e162f72eb44c19a73f38e10d121143bdee45dc7426f76cb9f2b16ab73763 - 85.96% (149 MB)

[#003] sha256:37767c9371d4e03127e4bbe85929010c025d7d442785d1805b213575c0a75fd1 - 0.0% (129 Bytes)

[#004] sha256:d12d0e0cbded327c9df870505ef20a84efb14dd8ccbe2a48a63e4120f61b65ba - 0.0% (2.23 KB)

History
2026-04-15 20:01:25 UTC (buildkit.dockerfile.v0)

ADD alpine-minirootfs-3.23.4-aarch64.tar.gz / # buildkit

2026-04-15 20:01:25 UTC (buildkit.dockerfile.v0)

CMD ["/bin/sh"]

2026-04-15 20:33:55 UTC (buildkit.dockerfile.v0)

ENV JAVA_HOME=/opt/java/openjdk

2026-04-15 20:33:55 UTC (buildkit.dockerfile.v0)

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

2026-04-15 20:33:55 UTC (buildkit.dockerfile.v0)

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

2026-04-15 20:33:55 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 binutils tzdata coreutils openssl ; rm -rf /var/cache/apk/* # buildkit

2026-04-15 20:33:55 UTC (buildkit.dockerfile.v0)

ENV JAVA_VERSION=jdk-21.0.10+7

2026-04-15 20:34:03 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; ARCH="$(apk --print-arch)"; case "${ARCH}" in aarch64) ESUM='19eba6c3877612157ef1f46deb92745b4567cfcd64b79f15449c68cd2b7501e3'; BINARY_URL='https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.10%2B7/OpenJDK21U-jdk_aarch64_alpine-linux_hotspot_21.0.10_7.tar.gz'; ;; x86_64) ESUM='8eb39f442c3c603e414af43844b419a9b5d4f3fe221181f323aa4eec1bd20cf8'; BINARY_URL='https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.10%2B7/OpenJDK21U-jdk_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 ${JAVA_HOME}/lib/src.zip; # buildkit

2026-04-15 20:34:05 UTC (buildkit.dockerfile.v0)

RUN /bin/sh -c set -eux; echo "Verifying install ..."; fileEncoding="$(echo 'System.out.println(System.getProperty("file.encoding"))' | jshell -s -)"; [ "$fileEncoding" = 'UTF-8' ]; rm -rf ~/.java; echo "javac --version"; javac --version; echo "java --version"; java --version; echo "Complete." # buildkit

2026-04-15 20:34:05 UTC (buildkit.dockerfile.v0)

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

2026-04-15 20:34:05 UTC (buildkit.dockerfile.v0)

ENTRYPOINT ["/__cacert_entrypoint.sh"]

2026-04-15 20:34:05 UTC (buildkit.dockerfile.v0)

CMD ["jshell"]

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