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Updating production guide about how to change network stack setting

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Closes #15925
This commit is contained in:
Pedro Igor 2022-12-12 07:53:41 -03:00
parent 0c4ac62a5f
commit 1ed81fa377
1 changed files with 5 additions and 3 deletions
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8
docs/guides/src/main/server/configuration-production.adoc
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@ -44,11 +44,13 @@ By default, Keycloak is configured to prefer IPv4 addresses. In order to run wit
you need to specify `java.net.preferIPv4Stack=false` (the JVM default) and `java.net.preferIPv6Addresses=true`.
The latter ensures that any hostname to IP address conversions always return IPv6 address variants.
These system properties are conveniently set by the `JAVA_OPTS_APPEND` environment variable. For example, to change the IP stack preference from its default of IPv4 to IPv6, set an environment variable as follows:
These system properties are conveniently set by the `JAVA_OPTS` environment variable. For example, to change the IP stack preference from its default of IPv4 to IPv6, set an environment variable as follows:
[source, bash]
----
export JAVA_OPTS_APPEND="-Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true"
export JAVA_OPTS="-Xms64m -Xmx512m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Dfile.encoding=UTF-8 -Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true"
----
</@tmpl.guide>
Note that when setting the `JAVA_OPTS` you are replacing the default JVM settings. Make sure to adjust them accordingly to your need.
</@tmpl.guide>