Returning from a Callback Based AWS Lambda Handler

A Stack Overflow self-answer, where I discover that the callback based handlers module.exports = function(event, context, callback) { //.. callback(null, 'my response') } do not return immediately upon calling the callback. In fact, the callback has nothing to do with when these functions will return. When AWS Lambda runs your function it Runs the code in your handler Waits until everything’s been processed in the event loop And then sends a response to whatever wanted to invoke the Lambda The t...

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