openeuler/distroless-jre repository overview

⁠Quick reference

• The official distroless-jre docker image.

• Maintained by: openEuler CloudNative SIG⁠.

• Where to get help: openEuler CloudNative SIG⁠, openEuler⁠.

⁠distroless-jre | openEuler

The Distroless JRE image is a minimal Java runtime environment designed to run Java applications in a secure and lightweight containerized environment. It includes only what is necessary for executing Java programs and does not contain development tools such as javac.

Contents:

• Java Virtual Machine(JVM)
• Core Java Class Libraries
• Minimal System Dependencies

⁠Supported tags and respective Dockerfile links

The tag of each distroless-jre docker image is consist of the version of OpenJDK and version of openEuler. The details are as follows

⁠Usage

1. Starts from the full openEuler image with a JDK installed and compiles the java source file into bytecode.
2. Copies the compiled .class file from the build stage and ets JAVA_HOME and adds the JVM bin directory to PATH for easy execution.
3. For example⁠

FROM openeuler/openeuler:latest AS build-env
COPY . /app
WORKDIR /app
RUN yum install -y java-21-openjdk-devel
RUN javac Hello.java

FROM openeuler/distroless-jre:21.0.2.12-oe2403lts
COPY --from=build-env /app /app
WORKDIR /app
ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk-21.0.2.12-2.oe2403.aarch64
ENV PATH=$JAVA_HOME/bin:$PATH
CMD ["java", "Hello"]

⁠Run Applications as a Non-Root User

For implementation details, refer to the distroless-base-nonroot documentation⁠.

⁠Question and answering

If you have any questions or want to use some special features, please submit an issue or a pull request on openeuler-docker-images⁠.