includes.prerequisites.adoc Maven / Gradle / Ivy
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=== Prerequisites
// tag::prerequisites[]
.Prerequisite product versions for Helidon {helidon-version}
[%autowidth]
|=======
// tag::prerequisites-table-rows[]
// tag::prerequisites-table-rows-core[]
|https://www.oracle.com/technetwork/java/javase/downloads[Java{nbsp}SE{nbsp}21] (http://jdk.java.net[Open{nbsp}JDK{nbsp}21]) |Helidon requires Java 21+.
|https://maven.apache.org/download.cgi[Maven 3.8+]|Helidon requires Maven 3.8+.
// end::prerequisites-table-rows-core[]
|https://docs.docker.com/install/[Docker 18.09+]|If you want to build and run Docker containers.
|https://kubernetes.io/docs/tasks/tools/install-kubectl/[Kubectl 1.16.5+]|If you want to deploy to Kubernetes, you need `kubectl` and a Kubernetes cluster (you can xref:{rootdir}/about/kubernetes.adoc[install one on your desktop].
// end::prerequisites-table-rows[]
|=======
// tag::prerequisites-setup[]
[source,bash]
.Verify Prerequisites
----
java -version
mvn --version
docker --version
kubectl version --short
----
[source,bash]
.Setting JAVA_HOME
----
# On Mac
export JAVA_HOME=`/usr/libexec/java_home -v 21`
# On Linux
# Use the appropriate path to your JDK
export JAVA_HOME=/usr/lib/jvm/jdk-21
----
// end::prerequisites-setup[]
// end::prerequisites[]
// tag::prerequisites-cli[]
[role="flex, sm7"]
|=======
include::prerequisites.adoc[tag=prerequisites-table-rows]
|xref:{rootdir}/about/cli.adoc[Helidon CLI]|If you want to use the Helidon CLI to create and build your application
|=======
include::prerequisites.adoc[tag=prerequisites-setup]
// end::prerequisites-cli[]
// tag::prerequisites-helm[]
[role="flex, sm7"]
|=======
include::prerequisites.adoc[tag=prerequisites-table-rows]
|https://github.com/helm/helm[Helm] | To manage Kubernetes applications.
|=======
include::prerequisites.adoc[tag=prerequisites-setup]
// end::prerequisites-helm[]
// tag::prerequisites-curl[]
[role="flex, sm7"]
|=======
include::prerequisites.adoc[tag=prerequisites-table-rows]
|https://curl.se/download.html[curl]
|(Optional) for testing
|=======
include::prerequisites.adoc[tag=prerequisites-setup]
// end::prerequisites-curl[]
// tag::prerequisites-graal[]
[role="flex, sm7"]
|=======
include::prerequisites.adoc[tag=prerequisites-table-rows]
| https://www.graalvm.org/release-notes/JDK_21/[GraalVM for JDK 21]| `native-image` support requires GraalVM for JDK 21. When running in the Graal JVM (not native-image) Helidon supports GraalVM for JDK 21 or newer.
|=======
include::prerequisites.adoc[tag=prerequisites-setup]
// end::prerequisites-graal[]