keycloak.json

{
  "realm": "servlet-authz",
  "auth-server-url" : "http://localhost:8080/auth",
  "ssl-required" : "external",
  "resource" : "servlet-authz-app",
  "public-client" : false,
  "credentials": {
    "secret": "secret"
  },
  "policy-enforcer": {
    "on-deny-redirect-to" : "/servlet-authz-app/accessDenied.jsp"
  }
}