I’m helplessly trying to set up a 3 node keycloak cluster running on docker swarm and nothing seems to work. The infinispan cache cluster is not setting up properly and I’ve tried both DNS_PING and JDBC_PING. With DNS_PING in docker swarm, each container is creating it’s own infinispan cluster. Wit…

Never tried on docker swarm, but I suppose the dns service discovery mechanism is the same as a standalone docker instance. So, for keycloak 17 and newer (ie, for quarkus based distribution), you should enable KC_CACHE_STACK=kubernetes with JAVA_OPTS_APPEND=-Djgroups.dns.query=<headless-service-FQD…

Keycloak 17 cluster running on docker swarm

Configuring the server

tinusn August 17, 2022, 11:46am 3

Please see the following post: Adventures with Docker Swarm and Keycloak Clustering - #7 by dvt114
I have it running in production using the tricks mentioned there.

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Keycloak 17 cluster running on docker swarm

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