Setting SDK Options – v1 Twilio Device -v1 fakeLocalDTMF false If true, replaces default DTMF tones with mock DTMF tones.
Keeping Lambda Warm
Reducing cold starts with Provisioned Concurrency Understanding how functions warmers work However, this is not a guaranteed way to reduce
Okta React App
https://github.com/okta/samples-js-react/tree/master/okta-hosted-login https://github.com/okta/okta-react/tree/master/samples Sign users in to your SPA using the redirect model OIDC – OpenID Connect. Proof Key for Code
Twilio Sync
SyncMap class definition and methods SyncClient SDK Sync Rest API (backend) Limits
Twilio Limits
Sync Object: 20 read / write / sec per Sync object. A limit of creating 20 Sync objects per second
Server side events
Event Source API An EventSource instance opens a persistent connection to an HTTP server, which sends events in text/event-stream format. The connection remains open until closed by calling EventSource.close().
Websocket
AWS serverless documentation Authorization Using API Gateway blog Iam Role Events handled by CreateSocket labmda: Connect Do Not Message the
Step Function and Cloudwatch Log
https://www.davehall.com.au/blog/2020/07/10/logging-step-functions-cloudwatch/ AWSTemplateFormatVersion: ‘2010-09-09’ Description: StepFunction with Logging Example. Parameters: Resources: StepFunctionExecRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: ‘2012-10-17’ Statement: – Effect:
Timestamp and Timezone
https://stackoverflow.com/questions/38077862/how-to-tell-javascript-date-where-to-take-timezoneoffset-from The definition of UNIX timestamp is time zone independent. The UNIX timestamp is the number of seconds (or milliseconds)
IndexedDB
Shortfall of local storage – Only store string data in localStorage, which are susceptible to XSS attacks, and it does