not much is going on in the log:
[jboss@bf90c21697b1 log]$ tail server.log
2021-07-14 17:33:39,017 INFO [org.wildfly.extension.undertow] (ServerService Thread Pool -- 57) WFLYUT0014: Creating file handler for path '/opt/jboss/keycloak/welcome-content' with options [directory-listing: 'false', follow-symlink: 'false', case-sensitive: 'true', safe-symlink-paths: '[]']
2021-07-14 17:33:39,029 INFO [org.wildfly.extension.undertow] (MSC service thread 1-1) WFLYUT0012: Started server default-server.
2021-07-14 17:33:39,031 INFO [org.wildfly.extension.undertow] (MSC service thread 1-5) WFLYUT0018: Host default-host starting
2021-07-14 17:33:39,136 INFO [org.wildfly.extension.undertow] (MSC service thread 1-4) WFLYUT0006: Undertow AJP listener ajp listening on 0.0.0.0:8009
2021-07-14 17:33:39,138 INFO [org.jboss.as.ejb3] (MSC service thread 1-8) WFLYEJB0481: Strict pool slsb-strict-max-pool is using a max instance size of 64 (per class), which is derived from thread worker pool sizing.
2021-07-14 17:33:39,138 INFO [org.jboss.as.ejb3] (MSC service thread 1-7) WFLYEJB0482: Strict pool mdb-strict-max-pool is using a max instance size of 16 (per class), which is derived from the number of CPUs on this host.
2021-07-14 17:33:39,158 INFO [org.wildfly.extension.undertow] (MSC service thread 1-3) WFLYUT0006: Undertow HTTP listener default listening on 0.0.0.0:8080
2021-07-14 17:33:39,182 INFO [org.jboss.modcluster] (ServerService Thread Pool -- 58) MODCLUSTER000001: Initializing mod_cluster version 1.4.0.Final
2021-07-14 17:33:39,231 INFO [org.jboss.modcluster] (ServerService Thread Pool -- 58) MODCLUSTER000032: Listening to proxy advertisements on /224.0.1.105:23364
2021-07-14 17:33:39,396 INFO [org.jboss.as.patching] (MSC service thread 1-8) WFLYPAT0050: Keycloak cumulative patch ID is: base, one-off patches include: none
[jboss@bf90c21697b1 log]$ date
Wed Jul 14 17:56:04 UTC 2021