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Remove Keycloak JDK UseContainerSupport parameter
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The parameter `-XX:+UseContainerSupport` is no longer required for Keycloak >= v21 based on JDK v17.
JDK >= v17 has enabled the container support by default.
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Gabriel Mainberger committed Feb 23, 2024
1 parent 58a318a commit ed47893
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Showing 4 changed files with 2 additions and 4 deletions.
3 changes: 2 additions & 1 deletion charts/keycloakx/README.md
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Expand Up @@ -269,14 +269,15 @@ This allows you to only configure memory using Kubernetes resources and the JVM
extraEnv: |
- name: JAVA_OPTS
value: >-
-XX:+UseContainerSupport
-XX:MaxRAMPercentage=50.0
-Djava.net.preferIPv4Stack=true
-Djava.awt.headless=true
```
Alternatively one can append custom JVM options by setting the `JAVA_OPTS_APPEND` environment variable.

The parameter `-XX:+UseContainerSupport` is no longer required for [Keycloak >= v21 based on JDK v17](https://github.com/keycloak/keycloak/blob/release/21.0/quarkus/container/Dockerfile#L20).

#### Using an External Database

The Keycloak Docker image supports various database types.
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1 change: 0 additions & 1 deletion charts/keycloakx/ci/h2-values.yaml
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Expand Up @@ -18,7 +18,6 @@ extraEnv: |
key: password
- name: JAVA_OPTS_APPEND
value: >-
-XX:+UseContainerSupport
-XX:MaxRAMPercentage=50.0
-Djava.awt.headless=true
-Djgroups.dns.query={{ include "keycloak.fullname" . }}-headless
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Expand Up @@ -37,7 +37,6 @@ extraEnv: |
key: password
- name: JAVA_OPTS_APPEND
value: >-
-XX:+UseContainerSupport
-XX:MaxRAMPercentage=50.0
-Djava.awt.headless=true
-Dkubeping_namespace={{ .Release.Namespace }}
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Expand Up @@ -25,7 +25,6 @@ extraEnv: |
key: password
- name: JAVA_OPTS_APPEND
value: >-
-XX:+UseContainerSupport
-XX:MaxRAMPercentage=50.0
-Djava.awt.headless=true
-Djgroups.dns.query={{ include "keycloak.fullname" . }}-headless
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