chore: add basic keycloak service

roles/keycloak/defaults/main.yml

@@ -0,0 +1,35 @@
+#SPDX-License-Identifier: MIT-0
+---
+# defaults file for keycloak
+
+# Base directory configuration (inherited from base role or defined here)
+docker_compose_base_dir: /etc/docker/compose
+docker_volume_base_dir: /srv/data
+
+# Keycloak-specific configuration
+keycloak_service_name: keycloak
+keycloak_docker_compose_dir: "{{ docker_compose_base_dir }}/{{ keycloak_service_name }}"
+keycloak_docker_volume_dir: "{{ docker_volume_base_dir }}/{{ keycloak_service_name }}"
+
+# Keycloak service configuration
+keycloak_domain: "keycloak.local.test"
+keycloak_image: "quay.io/keycloak/keycloak:24.0.1"
+keycloak_port: 8080
+keycloak_admin_user: admin
+keycloak_admin_password: "changeme"
+
+# PostgreSQL configuration
+keycloak_postgres_image: "postgres:15"
+keycloak_postgres_db: keycloak
+keycloak_postgres_user: keycloak
+keycloak_postgres_password: "changeme"
+
+# Traefik configuration
+keycloak_traefik_network: "proxy"
+keycloak_backend_network: "backend"
+keycloak_use_ssl: true
+
+# Keycloak environment variables
+keycloak_log_level: "INFO"
+keycloak_proxy_mode: "edge"
+keycloak_gzip_enabled: false  # Disable GZIP encoding to avoid MIME type issues