Keycloack Keycloak: Use Oracle Autonomous database The Keycloack Server documentation recommends an external database to persist realms configuration. The article describes how to configure Oracle Autonomous Transaction Processing service with WildFly/JBoss application server.
Keycloack Keycloack: configure frontend URL It's turned out that my free tier VMs are powerful enough to run a standalone Keycloack server. I'm not a big fan of the direct instance access on high ports,
Oracle Cloud Infrastructure Enforce HTTPS With OCI Load Balancer To enforce secure connection you should enforce rewrite rules to rout your clients toward secure listener. The same could be done with load balancer in Oracle Cloud.
Certification What you need to pass the OCI Architect Associate certification exam In March 2020, Oracle announced free access to online learning content and certifications to a broad array of Oracle Cloud certifications for about 2 months (details here). Literally tens of