[keycloak] Update chart for Keycloak 26.x

Author: drmalex07

charts/keycloak/Chart.yaml

@@ -15,10 +15,10 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.4.0
+version: 0.5.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "24.0"
+appVersion: "26.3"

charts/keycloak/keycloak/base.dockerfile

@@ -1,12 +1,12 @@
 # vim:set syntax=dockerfile:
 
-FROM quay.io/keycloak/keycloak:24.0
+FROM quay.io/keycloak/keycloak:26.3
 
 ARG kc_cache_stack="udp"
 
 ENV \
     KC_DB="postgres" \
-    KC_FEATURES="token-exchange,admin-fine-grained-authz" \
+    KC_FEATURES="preview" \
     KC_METRICS_ENABLED="true" \
     KC_HEALTH_ENABLED="true" \
     KC_CACHE="ispn" \

charts/keycloak/templates/statefulset.yaml

@@ -72,11 +72,11 @@ spec:
         - name: KC_FEATURES
           value: >-
             token-exchange,admin-fine-grained-authz
-        - name: KC_HOSTNAME
+        - name: KC_HOSTNAME_URL
           value: {{ .hostname | quote }}
-        - name: KC_HOSTNAME_STRICT_BACKCHANNEL
+        - name: KC_HOSTNAME_BACKCHANNEL_DYNAMIC
           value: 'true'
-        - name: KC_HOSTNAME_ADMIN
+        - name: KC_HOSTNAME_ADMIN_URL
           value: {{ .hostnameAdmin | quote }}
         - name: KC_HTTPS_CERTIFICATE_FILE
           value: /certs/tls.crt