xs-app.json

{
    "welcomeFile": "/ui/index.html",
    "routes": [
        {
            "source": "^/broker/(.*)$",
            "target": "$1",
            "destination": "broker"
        },        
        {
            "source": "^/ui/(.*)$",
            "target": "$1",
            "destination": "ui",
            "scope": ["$XSAPPNAME.Display", "$XSAPPNAME.Backend"]
        },
        {
            "source": "^/backend/(.*)$",
            "target": "$1",
            "destination": "ef-service",
            "csrfProtection": false,
            "scope": ["$XSAPPNAME.Backend"]
        },        
        {
            "source": "^/css/(.*)$",
            "destination": "ui",
            "authenticationType": "none"
        },
        {
            "source": "^/js/(.*)$",
            "destination": "ui",
            "authenticationType": "none"
        },
        {
            "source": "^/img/(.*)$",
            "destination": "ui",
            "authenticationType": "none"
        }        
    ]
}