Namespace
library
Image / Taggradle:9.4-jdk21-alpine
Content Digestsha256:e958b63a3c5b28995d869126997a880bbf72fac6c14798ebbdca068b6fdfffb6
Details
2026-03-20 17:10:25 UTC
348 MB
Environment
GRADLE_HOME/opt/gradle
GRADLE_VERSION9.4.1
JAVA_HOME/opt/java/openjdk
JAVA_VERSIONjdk-21.0.10+7
LANGen_US.UTF-8
LANGUAGEen_US:en
LC_ALLen_US.UTF-8
PATH/opt/java/openjdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Layers
[#000] sha256:589002ba0eaed121a1dbf42f6648f29e5be55d5c8a6ee0f8eaa0285cc21ac153 - 1.06% (3.68 MB)
[#001] sha256:ebf27b2f1dcc34bb3592032d2fca01d720abfd1e6baa1293e287a9ccab686e2c - 5.84% (20.3 MB)
[#002] sha256:52562347e5095f91dcef07e31744d38da2218e3d68ed36686ee889ef31ae2406 - 43.31% (151 MB)
[#003] sha256:6d0b3aa0fc9566eb09be60af94e6aa6908c7e5e316b531ec5a22f49ee8685b66 - 0.0% (126 Bytes)
[#004] sha256:32b736977b63e2d08f494efff566b76b53223018ba70ef3f070289f1f0830e61 - 0.0% (2.23 KB)
[#005] sha256:8650e5cba64698d58f48f86a5a8295d67f02a63b85eef5c357879714ffb8ffe6 - 0.0% (1010 Bytes)
[#006] sha256:4f4fb700ef54461cfa02571ae0db9a0dc1e0cdb5577484a6d75e68dc38e8acc1 - 0.0% (32 Bytes)
[#007] sha256:78b25c3d5211544d925edf3b246b46210f64292487c84a153b335e37664c686b - 12.05% (41.9 MB)
[#008] sha256:8459a58e2bb63bc8ef6772d9f245e719f6aab3cde97386c40ff897a6325f3bc2 - 37.74% (131 MB)
[#009] sha256:00c6e38cef68921ce8a3e214fd3714448eac4dd917a03fa8bbbc68a783f6f2f4 - 0.01% (25 KB)
History
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 22:19:13 UTC (buildkit.dockerfile.v0)ENV JAVA_HOME=/opt/java/openjdk
2026-02-05 22:19:13 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 22:19:13 UTC (buildkit.dockerfile.v0)ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8
2026-02-05 22:19:13 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
2026-02-05 22:19:13 UTC (buildkit.dockerfile.v0)ENV JAVA_VERSION=jdk-21.0.10+7
2026-02-05 22:19:19 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 ${JAVA_HOME}/lib/src.zip; # buildkit
2026-02-05 22:19:20 UTC (buildkit.dockerfile.v0)RUN /bin/sh -c set -eux; echo "Verifying install ..."; fileEncoding="$(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
2026-02-05 22:19:20 UTC (buildkit.dockerfile.v0)COPY --chmod=755 entrypoint.sh /__cacert_entrypoint.sh # buildkit
2026-02-05 22:19:20 UTC (buildkit.dockerfile.v0)ENTRYPOINT ["/__cacert_entrypoint.sh"]
2026-02-05 22:19:20 UTC (buildkit.dockerfile.v0)CMD ["jshell"]
2026-03-20 17:10:20 UTC (buildkit.dockerfile.v0)CMD ["gradle"]
2026-03-20 17:10:20 UTC (buildkit.dockerfile.v0)ENV GRADLE_HOME=/opt/gradle
2026-03-20 17:10:20 UTC (buildkit.dockerfile.v0)RUN /bin/sh -c set -o errexit -o nounset && echo "Adding gradle user and group" && addgroup --system --gid 1000 gradle && adduser --system --ingroup gradle --uid 1000 --shell /bin/ash gradle && mkdir /home/gradle/.gradle && chown -R gradle:gradle /home/gradle && chmod -R o+rwx /home/gradle && echo "Symlinking root Gradle cache to gradle Gradle cache" && ln -s /home/gradle/.gradle /root/.gradle # buildkit
2026-03-20 17:10:20 UTC (buildkit.dockerfile.v0)VOLUME [/home/gradle/.gradle]
2026-03-20 17:10:20 UTC (buildkit.dockerfile.v0)WORKDIR /home/gradle
2026-03-20 17:10:22 UTC (buildkit.dockerfile.v0)RUN /bin/sh -c set -o errexit -o nounset && apk add --no-cache make curl wget tar breezy py3-tzlocal git git-lfs mercurial subversion && echo "Testing common utilities" && which awk && which curl && which cut && which grep && which gunzip && which sha256sum && which sed && which tar && which tr && which unzip && which wget && echo "Testing VCSes" && which git && which git-lfs && which hg && which svn # buildkit
2026-03-20 17:10:22 UTC (buildkit.dockerfile.v0)ENV GRADLE_VERSION=9.4.1
2026-03-20 17:10:22 UTC (buildkit.dockerfile.v0)ARG GRADLE_DOWNLOAD_SHA256=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb
2026-03-20 17:10:24 UTC (buildkit.dockerfile.v0)RUN |1 GRADLE_DOWNLOAD_SHA256=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb /bin/sh -c set -o errexit -o nounset && echo "Downloading Gradle" && wget --no-verbose --output-document=gradle.zip "https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip" && echo "Checking Gradle download hash" && echo "${GRADLE_DOWNLOAD_SHA256} *gradle.zip" | sha256sum -c - && echo "Installing Gradle" && unzip gradle.zip && rm gradle.zip && mv "gradle-${GRADLE_VERSION}" "${GRADLE_HOME}/" && ln -s "${GRADLE_HOME}/bin/gradle" /usr/bin/gradle # buildkit
2026-03-20 17:10:24 UTC (buildkit.dockerfile.v0)USER gradle
2026-03-20 17:10:25 UTC (buildkit.dockerfile.v0)RUN |1 GRADLE_DOWNLOAD_SHA256=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb /bin/sh -c set -o errexit -o nounset && echo "Testing Gradle installation" && gradle --stacktrace --debug --version # buildkit
2026-03-20 17:10:25 UTC (buildkit.dockerfile.v0)USER root
Details
2026-03-20 17:10:17 UTC
346 MB
Environment
GRADLE_HOME/opt/gradle
GRADLE_VERSION9.4.1
JAVA_HOME/opt/java/openjdk
JAVA_VERSIONjdk-21.0.10+7
LANGen_US.UTF-8
LANGUAGEen_US:en
LC_ALLen_US.UTF-8
PATH/opt/java/openjdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
Layers
[#000] sha256:d8ad8cd72600f46cc068e16c39046ebc76526e41051f43a8c249884b200936c0 - 1.16% (4 MB)
[#001] sha256:db5089fa766c3c57eb5cdb3a5598c7f03110834ceee51d81992317c110371aff - 5.87% (20.3 MB)
[#002] sha256:a17a1043f9baa0dcfa204d652bd299bd7e2ea6bf633efb9cd52c3f9f54976b7c - 43.01% (149 MB)
[#003] sha256:a3b7508607faa8f1e571f0bf716125a563c17b8e3883efba109aff61801ae738 - 0.0% (130 Bytes)
[#004] sha256:f522a964bdc39f18b044b5e8f2817027173df17e2d19e26e356d7ef7c4afa85c - 0.0% (2.23 KB)
[#005] sha256:03bd42ecaa8187db5a0c26a987767ec15ad504fb15e8e3e9e81075575249c630 - 0.0% (1009 Bytes)
[#006] sha256:4f4fb700ef54461cfa02571ae0db9a0dc1e0cdb5577484a6d75e68dc38e8acc1 - 0.0% (32 Bytes)
[#007] sha256:96bbae7de7ff467a2e647864c0aaf7a8e051dfe75b3582917706254e30ae1f8c - 11.98% (41.5 MB)
[#008] sha256:1d9236c8461eb1bd8cf95c7c09e87f98ede377a45c4e905ba77f3d7d4f396b10 - 37.97% (131 MB)
[#009] sha256:2a60422cd34df55711460373f6d619c44534ce932258de701ce2bd3d0ff93174 - 0.01% (28.7 KB)
History
ADD alpine-minirootfs-3.23.3-aarch64.tar.gz / # buildkit
2026-01-28 01:18:09 UTC (buildkit.dockerfile.v0)CMD ["/bin/sh"]
2026-02-05 22:18:10 UTC (buildkit.dockerfile.v0)ENV JAVA_HOME=/opt/java/openjdk
2026-02-05 22:18:10 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 22:18:10 UTC (buildkit.dockerfile.v0)ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8
2026-02-05 22:18:10 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
2026-02-05 22:18:10 UTC (buildkit.dockerfile.v0)ENV JAVA_VERSION=jdk-21.0.10+7
2026-02-05 22:18:17 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 ${JAVA_HOME}/lib/src.zip; # buildkit
2026-02-05 22:18:18 UTC (buildkit.dockerfile.v0)RUN /bin/sh -c set -eux; echo "Verifying install ..."; fileEncoding="$(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
2026-02-05 22:18:18 UTC (buildkit.dockerfile.v0)COPY --chmod=755 entrypoint.sh /__cacert_entrypoint.sh # buildkit
2026-02-05 22:18:18 UTC (buildkit.dockerfile.v0)ENTRYPOINT ["/__cacert_entrypoint.sh"]
2026-02-05 22:18:18 UTC (buildkit.dockerfile.v0)CMD ["jshell"]
2026-03-20 17:10:11 UTC (buildkit.dockerfile.v0)CMD ["gradle"]
2026-03-20 17:10:11 UTC (buildkit.dockerfile.v0)ENV GRADLE_HOME=/opt/gradle
2026-03-20 17:10:11 UTC (buildkit.dockerfile.v0)RUN /bin/sh -c set -o errexit -o nounset && echo "Adding gradle user and group" && addgroup --system --gid 1000 gradle && adduser --system --ingroup gradle --uid 1000 --shell /bin/ash gradle && mkdir /home/gradle/.gradle && chown -R gradle:gradle /home/gradle && chmod -R o+rwx /home/gradle && echo "Symlinking root Gradle cache to gradle Gradle cache" && ln -s /home/gradle/.gradle /root/.gradle # buildkit
2026-03-20 17:10:11 UTC (buildkit.dockerfile.v0)VOLUME [/home/gradle/.gradle]
2026-03-20 17:10:11 UTC (buildkit.dockerfile.v0)WORKDIR /home/gradle
2026-03-20 17:10:13 UTC (buildkit.dockerfile.v0)RUN /bin/sh -c set -o errexit -o nounset && apk add --no-cache make curl wget tar breezy py3-tzlocal git git-lfs mercurial subversion && echo "Testing common utilities" && which awk && which curl && which cut && which grep && which gunzip && which sha256sum && which sed && which tar && which tr && which unzip && which wget && echo "Testing VCSes" && which git && which git-lfs && which hg && which svn # buildkit
2026-03-20 17:10:13 UTC (buildkit.dockerfile.v0)ENV GRADLE_VERSION=9.4.1
2026-03-20 17:10:13 UTC (buildkit.dockerfile.v0)ARG GRADLE_DOWNLOAD_SHA256=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb
2026-03-20 17:10:16 UTC (buildkit.dockerfile.v0)RUN |1 GRADLE_DOWNLOAD_SHA256=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb /bin/sh -c set -o errexit -o nounset && echo "Downloading Gradle" && wget --no-verbose --output-document=gradle.zip "https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip" && echo "Checking Gradle download hash" && echo "${GRADLE_DOWNLOAD_SHA256} *gradle.zip" | sha256sum -c - && echo "Installing Gradle" && unzip gradle.zip && rm gradle.zip && mv "gradle-${GRADLE_VERSION}" "${GRADLE_HOME}/" && ln -s "${GRADLE_HOME}/bin/gradle" /usr/bin/gradle # buildkit
2026-03-20 17:10:16 UTC (buildkit.dockerfile.v0)USER gradle
2026-03-20 17:10:17 UTC (buildkit.dockerfile.v0)RUN |1 GRADLE_DOWNLOAD_SHA256=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb /bin/sh -c set -o errexit -o nounset && echo "Testing Gradle installation" && gradle --stacktrace --debug --version # buildkit
2026-03-20 17:10:17 UTC (buildkit.dockerfile.v0)USER root
Delete Tag
Please be careful as this will not just delete the reference but also the actual content!
For example when you have latest and v1.2.3 both pointing to the same image
the deletion of latest will also permanently remove v1.2.3.