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# Red Hat OpenJDK 11 Java Runtime Environment (JRE)
For development environment, refer to [https://repo1.dso.mil/dsop/redhat/openjdk/openjdk11-devel](https://repo1.dso.mil/dsop/redhat/openjdk/openjdk11-devel).
[OpenJDK Life Cycle and Support Policy](https://access.redhat.com/articles/1299013)
For additional details, please email the Red Hat Platform One team at [PlatformOne@redhat.com](mailto:PlatformOne@redhat.com).
## Environment Variables
This [Dockerfile](Dockerfile) contains environment variables which can be used to customize behavior:
```
ENV LANG C.UTF-8
ENV JAVA_HOME /usr/lib/jvm/jre-11-openjdk
ENV PATH $JAVA_HOME/bin:$PATH
```
## [Red Hat build of OpenJDK](https://developers.redhat.com/products/openjdk/overview)
The Red Hat build of OpenJDK is a free and open source implementation of the Java Platform, Standard Edition (Java SE).
- OracleJDK and Red Hat’s implementation of OpenJDK are functionally very similar and should require little to no changes.
- Red Hat OpenJDK is baselined from the OpenJDK project and TCK compliant.
- Red Hat OpenJDK is optimized for containers and supported on Windows and Linux.
[Red Hat is a leader in open source Java, with significant contributions to OpenJDK, Jakarta EE, Quarkus, Kubernetes, Hibernate, Camel, GraalVM, and more.](https://developers.redhat.com/java)
## [About Red Hat](https://www.redhat.com/en/about/open-source)
Red Hat is the world’s leading provider of enterprise open source solutions including Linux, cloud, container, and Kubernetes. Red Hat delivers hardened solutions that make it easier for enterprises to work across platforms and environments, from the core datacenter to the network edge.