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OpenJDK 21 container is a base platform for building and running plain Java 21 applications, e.g. fat-jar and flat classpath. The container image contains S2I integration scripts for deployment on Red Hat OpenShift. This container is a tech-preview featuring Jlink integration.
The following information was extracted from the dockerfile and other sources.
| Canonical image ID | OpenJDK 21 jlink tech-preview |
| Summary | Source To Image (S2I) image for Red Hat OpenShift providing OpenJDK 21 |
| Description | Platform for building and running plain Java applications (fat-jar and flat classpath) |
| Provider | Red Hat |
| Maintainer | Red Hat OpenJDK <openjdk@redhat.com> |
| Repository name | openjdk-tech-preview/openjdk-21-jlink-rhel9 |
| Image version | 1.23 |
| Architecture | amd64 |
| Usage | https://rh-openjdk.github.io/redhat-openjdk-containers/ |
| Exposed ports | 8080/tcp, 8443/tcp |
| User | 185 |
| Working directory | /home/default |
| GPG Key ID |
Use a registry service account token to authenticate your container client. This allows you to pull images without using your personal Red Hat credentials, which is recommended for CI/CD pipelines and automated deployments.
Run the following command, then enter your registry token credentials when prompted by the terminal.
Pull the image
Use the following instructions to get images from a Red Hat container registry using your Red Hat login.
Run the following command, then enter your login credentials when prompted by the terminal.
Pull the image
Use the following instructions to get images from a Red Hat container registry without providing authentication.
Use the following command(s) from a system with podman installed.
Source code is available for all Red Hat UBI-based images in the form of downloadable containers. Here are a few things you should know about Red Hat source containers.
Use skopeo to copy the source image to a local directory
Inspect the image
Untar the contents
Begin examining and using the content.