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OpenShift container images for Red Hat JBoss Enterprise Application Platform 8

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jboss-eap-8-openshift-image

OpenShift container images for Red Hat JBoss Enterprise Application Platform 8

This project defines Images allowing you to build and deploy EAP 8 applications on the cloud.

EAP 8 S2I (Source-To-Image) builder images:

  • jboss-eap-8/eap8-openjdk11-builder-openshift-rhel8

  • jboss-eap-8/eap8-openjdk17-builder-openshift-rhel8

EAP 8 runtime images:

  • jboss-eap-8/eap8-openjdk11-runtime-openshift-rhel8

  • jboss-eap-8/eap8-openjdk17-runtime-openshift-rhel8


NOTE

When using both a builder and a runtime images, make sure to use images that share the same JDK version.

Examples

These examples cover the 3 typical ways to build/deploy applications for Openshift using EAP 8 Openshift images.

EAP 8 developers use cases:

EAP 8 users use cases:

  • S2I source build, required tooling: oc. Best suited when testing an application deployed to latest EAP 8 server with sources located in a git repository.

  • S2I (Source-To-Image) binary build, deployment only binary build, required tooling: jdk, maven, oc. Best suited when testing an application deployed to latest EAP 8 server with deployment built locally.

Relationship with EAP 7.x images

As opposed to the EAP 7.x S2I (Source-To-Image) builder image that contains an EAP server, the new builder image is a generic builder allowing to build image for any EAP 8 releases.

EAP 8 - S2I builder image

The S2I builder image contains all you need to execute a Maven build of your project during an S2I build phase on OpenShift.

S2I build workflow

The builder image requires that, during the Maven build, an EAP 8 server containing the deployment is being provisioned (by default in <application project>/target/server directory). This provisioned server is installed by the image in /opt/server. Making the generated application image runnable.

In order to provision a server during the build phase you must integrate (generally in a profile named openshift profile) an execution of the EAP Maven plugin package goal.

Using the S2I builder image

The more efficient way to use the EAP 8 S2I builder image to construct an EAP application image is by using EAP Helm charts. EAP Helm Charts are automating the build (on OpenShift) and deployment of your application by the mean of a simple yaml file.

Galleon feature-pack for EAP 8 on the Cloud

The EAP cloud feature-pack contains all the cloud specifics that were contained in the EAP 7.x image. This feature-pack has to be provisioned along with the EAP 8 org.jboss.eap:wildfly-ee-galleon-pack feature-pack.

For more information on the EAP cloud feature-pack features, check this documentation.

Backward compatible S2I workflow

In case you want to keep your existing project that used to work with the legacy EAP 7.x S2i builder image, you can use a set of environment variables to initiate a server provisioning prior to execute the Maven build of your application:

  • GALLEON_PROVISION_FEATURE_PACKS: Comma separated lists of Galleon feature-packs, for example: GALLEON_PROVISION_FEATURE_PACKS=org.jboss.eap:wildfly-ee-galleon-pack:8.0.0.GA-redhat-0001,org.jboss.eap.cloud:eap-cloud-galleon-pack:8.0.0.Final-redhat-00001

  • GALLEON_PROVISION_LAYERS: Comma separated lists of Galleon layers, for example: GALLEON_PROVISION_LAYERS=cloud-server,postgresql-datasource

NB: This support is deprecated. You are strongly advised to update your project to integrate the EAP Maven plugin in your Maven project.

EAP 8 - runtime image

The runtime image contains all you need to run an EAP 8 Server and application.

Using the EAP 8 runtime image

This image is to be used when building a container image to run an EAP 8 server and application.

When building an application using EAP Helm charts, the generated image that contains the server and application is based on the EAP 8 runtime image.

Image runtime API

When running an EAP 8 server inside the EAP 8 runtime or S2I builder image, you can use these environment variables to configure the Java VM. The EAP 8 runtime and S2I builder images are exposing a set of environment variables to fine tune the server execution.