const adal = require('adal-express');
 
...
 
adal(app, options);

options =  {
    serverPortNumber: 443,
    azureTenantId: 'my-company.com',
    azureClientId: "8b3ecd7f-d585-4d36-94c9-3ac1d60992fd",
    azureClientSecret: "etTGallILSzAjePe4gw8v9RSb22tJASS3GnKlDw31R4=",
    azureResourceUri: "https://my-backend-api.my-company.com",
    localApiPath: "/api",
    remoteApiUri: "https://my-backend-api.my-company.com/api",
    sessionCookieName: "my-app.sid",
    sessionCookieSecret: "ac0ac8d3c699538ffe0994544d318f8cf8f7d7e0",
    sessionCookieSecure: true,
    sessionExpiresSeconds: 864000,
    sessionStorageDirectory: "sessions"
};