KEYCLOAK-591 Require SSL for all external requests by default

examples/demo-template/customer-app-cli/src/main/resources/META-INF/keycloak.json

@@ -2,7 +2,7 @@
   "realm" : "demo",
   "realm-public-key" : "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrVrCuTtArbgaZzL1hvh0xtL5mc7o0NqPVnYXkLvgcwiC3BjLGw1tGEGoJaXDuSaRllobm53JBhjx33UNv+5z/UMG4kytBWxheNVKnL6GgqlNabMaFfPLPCF8kAgKnsi79NMo+n6KnSY8YeUmec/p2vjO2NjsSAVcWEQMVhJ31LwIDAQAB",
   "auth-server-url" : "http://localhost:8080/auth",
-  "ssl-not-required" : true,
+  "ssl-required" : "external",
   "resource" : "customer-portal-cli",
   "public-client" : true
 }