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Merge pull request #2424 from gdams/patch-7 

Update Temurin Docs to have JDK21 as default
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Tianon Gravi 2024-03-11 14:37:09 -07:00 committed by GitHub
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eclipse-temurin/content.md
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@ -17,17 +17,17 @@ JRE images are available for all versions of Eclipse Temurin but it is recommend
Yes! Add your certificates to `/certificates` inside the container (e.g. by using a volume) and set the environment variable `USE_SYSTEM_CA_CERTS` on the container to any value. With Docker CLI this might look like this: Yes! Add your certificates to `/certificates` inside the container (e.g. by using a volume) and set the environment variable `USE_SYSTEM_CA_CERTS` on the container to any value. With Docker CLI this might look like this:
```console ```console
$ docker run -v $(pwd)/certs:/certificates/ -e USE_SYSTEM_CA_CERTS=1 %%IMAGE%%:11 $ docker run -v $(pwd)/certs:/certificates/ -e USE_SYSTEM_CA_CERTS=1 %%IMAGE%%:21
``` ```
The certificates would get added to the system CA store, which would in turn be converted to Java's truststore. The format of the certificates depends on what the OS of the base image used expects, but PEM format with a `.crt` file extension is a good bet. **Please note**: this feature is currently not available for Windows-based images. The certificates would get added to the system CA store, which would in turn be converted to Java's truststore. The format of the certificates depends on what the OS of the base image used expects, but PEM format with a `.crt` file extension is a good bet. **Please note**: this feature is currently not available for Windows-based images.
# How to use this Image # How to use this Image
To run a pre-built jar file with the latest OpenJDK 11, use the following Dockerfile: To run a pre-built jar file with the latest OpenJDK 21, use the following Dockerfile:
```dockerfile ```dockerfile
FROM %%IMAGE%%:11 FROM %%IMAGE%%:21
RUN mkdir /opt/app RUN mkdir /opt/app
COPY japp.jar /opt/app COPY japp.jar /opt/app
CMD ["java", "-jar", "/opt/app/japp.jar"] CMD ["java", "-jar", "/opt/app/japp.jar"]
@ -48,7 +48,7 @@ If you are using a distribution that we don't provide an image for you can copy
# Example # Example
FROM <base image> FROM <base image>
ENV JAVA_HOME=/opt/java/openjdk ENV JAVA_HOME=/opt/java/openjdk
COPY --from=%%IMAGE%%:11 $JAVA_HOME $JAVA_HOME COPY --from=%%IMAGE%%:21 $JAVA_HOME $JAVA_HOME
ENV PATH="${JAVA_HOME}/bin:${PATH}" ENV PATH="${JAVA_HOME}/bin:${PATH}"
``` ```
@ -58,7 +58,7 @@ On OpenJDK 11+, a JRE can be generated using `jlink`, see the following Dockerfi
```dockerfile ```dockerfile
# Example of custom Java runtime using jlink in a multi-stage container build # Example of custom Java runtime using jlink in a multi-stage container build
FROM %%IMAGE%%:11 as jre-build FROM %%IMAGE%%:21 as jre-build
# Create a custom Java runtime # Create a custom Java runtime
RUN $JAVA_HOME/bin/jlink \ RUN $JAVA_HOME/bin/jlink \
@ -84,7 +84,7 @@ CMD ["java", "-jar", "/opt/app/japp.jar"]
If you want to place the jar file on the host file system instead of inside the container, you can mount the host path onto the container by using the following commands: If you want to place the jar file on the host file system instead of inside the container, you can mount the host path onto the container by using the following commands:
```dockerfile ```dockerfile
FROM %%IMAGE%%:11.0.12_7-jdk FROM %%IMAGE%%:21.0.2_13-jdk
CMD ["java", "-jar", "/opt/app/japp.jar"] CMD ["java", "-jar", "/opt/app/japp.jar"]
``` ```