🔧(keycloak) Fix https required issue in dev mode

On some environments keycloak returns a 'HTTPS required' message on login.
The same issue was fixed in drive by changing the 'sslRequired' value
from 'external' to 'none'.
Also upgrade keycloak up to 26.3.2

Signed-off-by: Fabre Florian <[email protected]>

Author: joehybird

CHANGELOG.md

@@ -22,7 +22,7 @@ and this project adheres to
 
 - 🐛(makefile) Windows compatibility fix for Docker volume mounting #1264
 - 🐛(minio) fix user permission error with Minio and Windows #1264
-
+- 🔧(keycloak) Fix https required issue in dev mode #1286
 
 ## [3.5.0] - 2025-07-31
 

compose.yml

@@ -184,22 +184,21 @@ services:
       - env.d/development/kc_postgresql.local
 
   keycloak:
-    image: quay.io/keycloak/keycloak:20.0.1
+    image: quay.io/keycloak/keycloak:26.3
     volumes:
       - ./docker/auth/realm.json:/opt/keycloak/data/import/realm.json
     command:
       - start-dev
       - --features=preview
       - --import-realm
-      - --proxy=edge
-      - --hostname-url=http://localhost:8083
-      - --hostname-admin-url=http://localhost:8083/
+      # - --proxy=edge
+      - --hostname=http://localhost:8083
       - --hostname-strict=false
-      - --hostname-strict-https=false
       - --health-enabled=true
       - --metrics-enabled=true
     healthcheck:
-      test: ["CMD", "curl", "--head", "-fsS", "http://localhost:8080/health/ready"]
+      test: ['CMD-SHELL', '[ -f /tmp/HealthCheck.java ] || echo "public class HealthCheck { public static void main(String[] args) throws java.lang.Throwable { java.net.URI uri = java.net.URI.create(args[0]); System.exit(java.net.HttpURLConnection.HTTP_OK == ((java.net.HttpURLConnection)uri.toURL().openConnection()).getResponseCode() ? 0 : 1); } }" > /tmp/HealthCheck.java && java /tmp/HealthCheck.java http://localhost:9000/health/live']
+      start_period: 5s
       interval: 1s
       timeout: 2s
       retries: 300

docker/auth/realm.json

@@ -26,7 +26,7 @@
   "oauth2DeviceCodeLifespan": 600,
   "oauth2DevicePollingInterval": 5,
   "enabled": true,
-  "sslRequired": "external",
+  "sslRequired": "none",
   "registrationAllowed": true,
   "registrationEmailAsUsername": false,
   "rememberMe": true,
@@ -2270,7 +2270,7 @@
     "cibaInterval": "5",
     "realmReusableOtpCode": "false"
   },
-  "keycloakVersion": "20.0.1",
+  "keycloakVersion": "26.3.2",
   "userManagedAccessAllowed": false,
   "clientProfiles": {
     "profiles": []