docs: update and slightly improve keycloak integration docs

Signed-off-by: Jonas <jonas@freesources.org>

Author: mejo-

docker-compose.yml

@@ -1107,6 +1107,7 @@ services:
       KC_BOOTSTRAP_ADMIN_PASSWORD: admin
       KEYCLOAK_PROXY_ADDRESS_FORWARDING: "true"
       KEYCLOAK_FRONTEND_URL: "${PROTOCOL:-http}://keycloak${DOMAIN_SUFFIX}"
+      KC_SPI_CONNECTIONS_HTTP_CLIENT_DEFAULT_DISABLE_TRUST_MANAGER: "true"
       KC_PROXY: edge
 
   av:

docs/services/sso.md

@@ -3,12 +3,16 @@
 
 ## [Keycloak](https://www.keycloak.org/)
 
-- Keycloak is using LDAP as a user backend (make sure the LDAP container is also running)
-- If you have ssl enabled please modify the example realm config accordingly in `docker/configs/keycloak/Example-realm.json`
-- `occ user_oidc:provider Keycloak -c nextcloud -s 09e3c268-d8bc-42f1-b7c6-74d307ef5fde -d http://keycloak.local/auth/realms/Example/.well-known/openid-configuration`
-- <http://keycloak.local/auth/realms/Example/.well-known/openid-configuration>
-- nextcloud
-- 09e3c268-d8bc-42f1-b7c6-74d307ef5fde
+```
+docker compose up -d ldap
+docker compose up -d nextcloud keycloak
+```
+
+# Keycloak is using LDAP as a user backend. Make sure the LDAP container is also running.
+- If you have ssl enabled, replace `http://nextcloud.local` with `https://nextcloud.local` in the example realm config at `docker/keycloak/Example-realm.json`
+- Configure Keycloak as provider: `occ user_oidc:provider Keycloak -c nextcloud -s 09e3c268-d8bc-42f1-b7c6-74d307ef5fde -d http://keycloak.local/realms/Example/.well-known/openid-configuration`
+- Keycloak admin interface: <http://keycloak.local/auth/realms/Example/.well-known/openid-configuration> (admin:admin)
+- Nextcloud client credentials: user: nextcloud // password: 09e3c268-d8bc-42f1-b7c6-74d307ef5fde
 
 ## Authentik