198 lines
8.5 KiB
Markdown
198 lines
8.5 KiB
Markdown
# Bitnami package for Java
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## What is Java?
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> Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.
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[Overview of Java](https://openjdk.java.net/)
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Trademarks: This software listing is packaged by Bitnami. The respective trademarks mentioned in the offering are owned by the respective companies, and use of them does not imply any affiliation or endorsement.
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## TL;DR
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```console
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docker run -it --name java bitnami/java
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```
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### Docker Compose
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```console
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docker run --name java bitnami/java:latest
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```
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## Why use Bitnami Images?
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* Bitnami closely tracks upstream source changes and promptly publishes new versions of this image using our automated systems.
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* With Bitnami images the latest bug fixes and features are available as soon as possible.
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* Bitnami containers, virtual machines and cloud images use the same components and configuration approach - making it easy to switch between formats based on your project needs.
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* All our images are based on [**minideb**](https://github.com/bitnami/minideb) -a minimalist Debian based container image that gives you a small base container image and the familiarity of a leading Linux distribution- or **scratch** -an explicitly empty image-.
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* All Bitnami images available in Docker Hub are signed with [Notation](https://notaryproject.dev/). [Check this post](https://blog.bitnami.com/2024/03/bitnami-packaged-containers-and-helm.html) to know how to verify the integrity of the images.
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* Bitnami container images are released on a regular basis with the latest distribution packages available.
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Looking to use Java in production? Try [VMware Tanzu Application Catalog](https://bitnami.com/enterprise), the commercial edition of the Bitnami catalog.
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## Only latest stable branch maintained in the free Bitnami catalog
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Starting December 10th 2024, only the latest stable branch of any container will receive updates in the free Bitnami catalog. To access up-to-date releases for all upstream-supported branches, consider upgrading to Bitnami Premium. Previous versions already released will not be deleted. They are still available to pull from DockerHub.
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Please check the Bitnami Premium page in our partner [Arrow Electronics](https://www.arrow.com/globalecs/na/vendors/bitnami?utm_source=GitHub&utm_medium=containers) for more information.
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## Supported tags and respective `Dockerfile` links
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Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://techdocs.broadcom.com/us/en/vmware-tanzu/application-catalog/tanzu-application-catalog/services/tac-doc/apps-tutorials-understand-rolling-tags-containers-index.html).
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You can see the equivalence between the different tags by taking a look at the `tags-info.yaml` file present in the branch folder, i.e `bitnami/ASSET/BRANCH/DISTRO/tags-info.yaml`.
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Subscribe to project updates by watching the [bitnami/containers GitHub repo](https://github.com/bitnami/containers).
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### Deprecation Note (2022-01-21)
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The `prod` tags has been removed; from now on just the regular container images will be released.
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### Deprecation Note (2020-08-18)
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The formatting convention for `prod` tags has been changed:
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* `BRANCH-debian-10-prod` is now tagged as `BRANCH-prod-debian-10`
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* `VERSION-debian-10-rX-prod` is now tagged as `VERSION-prod-debian-10-rX`
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* `latest-prod` is now deprecated
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## Get this image
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The recommended way to get the Bitnami Java Docker Image is to pull the prebuilt image from the [Docker Hub Registry](https://hub.docker.com/r/bitnami/java).
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```console
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docker pull bitnami/java:latest
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```
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To use a specific version, you can pull a versioned tag. You can view the [list of available versions](https://hub.docker.com/r/bitnami/java/tags/) in the Docker Hub Registry.
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```console
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docker pull bitnami/java:[TAG]
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```
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If you wish, you can also build the image yourself by cloning the repository, changing to the directory containing the Dockerfile and executing the `docker build` command. Remember to replace the `APP`, `VERSION` and `OPERATING-SYSTEM` path placeholders in the example command below with the correct values.
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```console
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git clone https://github.com/bitnami/containers.git
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cd bitnami/APP/VERSION/OPERATING-SYSTEM
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docker build -t bitnami/APP:latest .
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```
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## Configuration
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### Running your Java jar or war
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The default work directory for the Java image is `/app`. You can mount a folder from your host here that includes your Java jar or war, and run it normally using the `java` command.
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```console
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docker run -it --name java -v /path/to/app:/app bitnami/java:latest \
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java -jar package.jar
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```
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or using Docker Compose:
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```yaml
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java:
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image: bitnami/java:latest
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command: "java -jar package.jar"
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volumes:
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- .:/app
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```
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**Further Reading:**
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* [Java SE Documentation](https://docs.oracle.com/javase/8/docs/api/)
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## Replace the default truststore using a custom base image
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In case you are replacing the default [minideb](https://github.com/bitnami/minideb) base image with a custom base image (based on Debian), it is possible to replace the default truststore located in the `/opt/bitnami/java/lib/security` folder. This is done by setting the `JAVA_EXTRA_SECURITY_DIR` docker build ARG variable, which needs to point to a location that contains a *cacerts* file that would substitute the originally bundled truststore. In the following example we will use a minideb fork that contains a custom *cacerts* file in the */bitnami/java/extra-security* folder:
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* In the Dockerfile, replace `FROM docker.io/bitnami/minideb:latest` to use a custom image, defined with the `MYJAVAFORK:TAG` placeholder:
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```diff
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- FROM bitnami/minideb:latest
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+ FROM MYFORK:TAG
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```
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* Run `docker build` setting the value of `JAVA_EXTRA_SECURITY_DIR`. Remember to replace the `MYJAVAFORK:TAG` placeholder.
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```console
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docker build --build-arg JAVA_EXTRA_SECURITY_DIR=/bitnami/java/extra-security -t MYJAVAFORK:TAG .
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```
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## Maintenance
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### Upgrade this image
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Bitnami provides up-to-date versions of Java, including security patches, soon after they are made upstream. We recommend that you follow these steps to upgrade your container.
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#### Step 1: Get the updated image
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```console
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docker pull bitnami/java:latest
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```
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or if you're using Docker Compose, update the value of the image property to `bitnami/java:latest`.
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#### Step 2: Remove the currently running container
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```console
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docker rm -v java
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```
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or using Docker Compose:
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```console
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docker-compose rm -v java
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```
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#### Step 3: Run the new image
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Re-create your container from the new image.
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```console
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docker run --name java bitnami/java:latest
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```
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or using Docker Compose:
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```console
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docker-compose up java
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```
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## Notable Changes
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### 1.8.252-debian-10-r0, 11.0.7-debian-10-r7, and 15.0.1-debian-10-r20
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* Java distribution has been migrated from AdoptOpenJDK to OpenJDK Liberica. As part of VMware, we have an agreement with Bell Software to distribute the Liberica distribution of OpenJDK. That way, we can provide support & the latest versions and security releases for Java.
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## Using `docker-compose.yaml`
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Please be aware this file has not undergone internal testing. Consequently, we advise its use exclusively for development or testing purposes.
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If you detect any issue in the `docker-compose.yaml` file, feel free to report it or contribute with a fix by following our [Contributing Guidelines](https://github.com/bitnami/containers/blob/main/CONTRIBUTING.md).
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## Contributing
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We'd love for you to contribute to this Docker image. You can request new features by creating an [issue](https://github.com/bitnami/containers/issues) or submitting a [pull request](https://github.com/bitnami/containers/pulls) with your contribution.
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## Issues
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If you encountered a problem running this container, you can file an [issue](https://github.com/bitnami/containers/issues/new/choose). For us to provide better support, be sure to fill the issue template.
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## License
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Copyright © 2025 Broadcom. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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<http://www.apache.org/licenses/LICENSE-2.0>
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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