Triggers to run Lambda Function about docker-lambda HOT 6 CLOSED

What do you mean by "define a trigger"?

Do you mean you want to create a trigger from a live DynamoDB instance and have it run a Lambda locally? If so, then you're right, that's not possible.

The closest way to do it off the top off my head would be to trigger a lightweight Lambda function that's just a passthrough/proxy to a known address that you expose a local http server on that invokes your local lambda. ie, DynamoDB Stream->Lambda->Local Server->Local Lambda

from docker-lambda.

hi @mhart thanks for getting back - no, I wanted to run it all locally (local dynamo, local lambda) so I can replicate "live" behaviour. I figured there might be a way to do it by starting a local node app that consumes the dynamo stream of my local lambda, and call the sam local "invoke" method on my local lambda, passing it the payload dynamo event? Maybe?

from docker-lambda.

In "real life" the AWS Lambda polls Dynamo on your behalf, so I guess this is an approximation of that

from docker-lambda.

Right, there's nothing out of the box that can do that locally I don't think – https://github.com/localstack/localstack would be the nearest candidate. It's outside the scope of the docker-lambda project for sure. But certainly should be possible to build something!

from docker-lambda.

thanks loads @mhart

from docker-lambda.

@mikebrules Hi, I think aws can support local api gateway, it also use the lambda-docker as lambda local runtime.

but it need a docker socket dependence, I need a only docker normal dependence solution,

so here is my solution： https://github.com/theowenyoung/aws-lambda-docker-local-example

from docker-lambda.