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Push and pull a custom Keycloak image to/from Github repository

Push a custom keycloak image to Github

Prepare Githup Login

$ export CR_PAT=ghp_q90tmqOTkNcX....
$ echo $CR_PAT | docker login ghcr.io -u USERNAME --password-stdin
Login Succeeded

Start an new docker instance and import a certain Realm
$ docker run  --name keycloak -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=admin -p 8280:8080 -p 8543:8443   \
   -v "D:/dev/Quarkus/Keycloak/quarkus-keycloak-authorization-sample/import:/opt/keycloak/data/import" \
   quay.io/keycloak/keycloak:18.0.0 start-dev  --import-realm --http-relative-path=auth
-> At this stage you may run add. chnages to your Realm

Vaildate running docker image 
$ docker ps
CONTAINER ID   IMAGE                                   COMMAND                  CREATED       STATUS       PORTS                                                                NAMESe
87149ce46008   quay.io/keycloak/keycloak:18.0.0        "/opt/keycloak/bin/k…"   2 days ago    Up 2 days>8080/tcp,>8443/tcp                       keycloak

Commit container’s file changes or settings into a new image
$ docker commit 87149ce46008

Vaildate running docker image again
$ docker images
REPOSITORY                                                TAG       IMAGE ID       CREATED              SIZE
ghcr.io/hhutzler/keycloak-oidc                            18.0.0    6479e087e23f   About a minute ago   726MB
quay.io/keycloak/keycloak                                 18.0.0    268d8705bd41   3 months ago         552MB

Finally push the image to our Githup Repository
$  docker push ghcr.io/hhutzler/keycloak-oidc:18.0.0
The push refers to repository [ghcr.io/hhutzler/keycloak-oidc]
250a49465e8f: Pushed
b0a3e9723423: Mounted from hhutzler/keycloak
5c0f901ed515: Mounted from hhutzler/keycloak
e34e3bdec276: Mounted from hhutzler/keycloak
dff9f8de74c0: Mounted from hhutzler/keycloak
18.0.0: digest: sha256:cb689b894b4b7ef50de587675a84a06cfa257c3362be0d735b778750a92d7cfe size: 1375

Pull a custom keycloak image from Github

Pull image from github
$  docker pull ghcr.io/hhutzler/keycloak-oidc:18.0.0
18.0.0: Pulling from hhutzler/keycloak-oidc
4752687a61a9: Pull complete
0344366a246a: Pull complete
bf8a68204bbb: Pull complete
c4db0a36467a: Pull complete
cee1cf7e6df1: Pull complete
Digest: sha256:cb689b894b4b7ef50de587675a84a06cfa257c3362be0d735b778750a92d7cfe
Status: Downloaded newer image for ghcr.io/hhutzler/keycloak-oidc:18.0.0

Validate images
$ docker images
REPOSITORY                              TAG       IMAGE ID       CREATED          SIZE
ghcr.io/hhutzler/keycloak-oidc          18.0.0    6479e087e23f   23 minutes ago   726MB

Run a new container 
$ docker run  -p 8280:8080 -p 8543:8443 6479e087e23f
2022-08-23 15:28:00,493 INFO  [org.keycloak.quarkus.runtime.hostname.DefaultHostnameProvider] (main) Hostname settings: FrontEnd: <request>, Strict HTTPS: false, Path: <request>, Strict BackChannel: false, Admin: <request>, Port: -1, Proxied: false
2022-08-23 15:28:01,177 WARN  [org.infinispan.PERSISTENCE] (keycloak-cache-init) ISPN000554: jboss-marshalling is deprecated and planned for removal
2022-08-23 15:28:01,201 WARN  [org.infinispan.CONFIG] (keycloak-cache-init) ISPN000569: Unable to persist Infinispan internal caches as no global state enabled
2022-08-23 15:28:01,228 INFO  [org.infinispan.CONTAINER] (keycloak-cache-init) ISPN000556: Starting user marshaller 'org.infinispan.jboss.marshalling.core.JBossUserMarshaller'
2022-08-23 15:28:01,424 INFO  [org.infinispan.CONTAINER] (keycloak-cache-init) ISPN000128: Infinispan version: Infinispan 'Triskaidekaphobia' 13.0.8.Final
2022-08-23 15:28:04,952 INFO  [org.keycloak.connections.infinispan.DefaultInfinispanConnectionProviderFactory] (main) Node name: node_887166, Site name: null
2022-08-23 15:28:05,489 ERROR [org.keycloak.services] (main) KC-SERVICES0010: Failed to add user 'admin' to realm 'master': user with username exists
2022-08-23 15:28:05,621 INFO  [io.quarkus] (main) Keycloak 18.0.0 on JVM (powered by Quarkus 2.7.5.Final) started in 8.355s. Listening on:
2022-08-23 15:28:05,622 INFO  [io.quarkus] (main) Profile dev activated.
2022-08-23 15:28:05,622 INFO  [io.quarkus] (main) Installed features: [agroal, cdi, hibernate-orm, jdbc-h2, jdbc-mariadb, jdbc-mssql, jdbc-mysql, jdbc-oracle, jdbc-postgresql, keycloak, narayana-jta, reactive-routes, resteasy, resteasy-jackson, smallrye-context-propagation, smallrye-health, smallrye-metrics, vault, vertx]
2022-08-23 15:28:05,628 WARN  [org.keycloak.quarkus.runtime.KeycloakMain] (main) Running the server in development mode. DO NOT use this configuration in production.

Validate Keycloak Container is up and running

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