add dist file for your secrets

docker/init.sh_not_shared.cfg.dist

+# ======================================================================
+#
+# senstive configuration not to check in into your git repository
+# 
+# ======================================================================
+
+OIDCCryptoPassphrase=0123456789
+OIDCClientSecret='YOUR-SECRET-HERE'
+OIDCProviderMetadataURL='https://keycloak.example.com/realms/YOUR-REALM/.well-known/openid-configuration'
+
+# ----------------------------------------------------------------------