LocalStack v3 is here and it's kinda amazing!

Ep #100 of the Real-World Serverless podcast
In this episode, I spoke with Waldemar Hummer, founder and CTO of LocalStack. We discussed what's new in the latest version of LocalStack and highlighted some of the most interesting additions.
One particular highlight for me is the ability to identify IAM permission errors between direct service integrations. For example, when an EventBridge pipe cannot deliver a message to a SQS target. And the ability to use test runs to generate the necessary IAM permissions so they can be added to your Lambda functions.
LocalStack v3 also allows running chaos experiments locally by adding random latency spikes, making an entire AWS region unavailable, or simulating DynamoDB throughput-exceeded errors.
Lots of exciting new features in LocalStack v3!
Links from the episode:
* My webinar with Waldemar after LocalStack v2 info.lumigo.io/on-demand-5-ta...
* LocalStack v3 announcement blog.localstack.cloud/2023-11...
* My blog post on when to use Step Functions vs running everything in Lambda theburningmonk.com/2024/03/wh...
* LocalStack is hiring! www.localstack.cloud/careers
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[@danieljohnmorris]

Thank you for these!

[@theburningmonk]

My pleasure!

[@imsarvesh_]

Hi Yan, Any plans to cover Localstack in your upcoming course?

[@theburningmonk]

I'm thinking of doing it for the Production-Ready Serverless workshop (productionreadyserverless.com/) in May, but it'd be pretty high level though. Because a) I haven't used it much myself, and b) some of the new features like IAM enforcement is only available on the paid plans (there is a 14 day free trial, but that's not enough for the length of the workshop)

[@tidb1ts]

Very cool presentation. LocalStack looks neat for those who are vendor locked.
My hot take is, don't get vendor locked in the first place.
Choose OSS tech that you can host yourself (and run locally) or that cloud providers offer support for.
If you have to use a cloud specific API, use interfaces for adaptability and build software that is oblivious to its implementation.

[@theburningmonk]

For a more nuanced discussion discussion about lock-in, have a watch of Gregor Hohpe's talk about the different dimensions of "lock-in" and understanding the cost of avoiding "lock-in" ruclips.net/video/Ud9h1hJgoKk/видео.html
He also has a good article too "Don't get locked up into avoiding lock-in" if you're interested in a different perspective.
martinfowler.com/articles/oss-lockin.html

[@equinozio22]

Didn’t know it didn’t had a free tier…

[@theburningmonk]

I think you can still use the open source version, right?

[@MuratKeremOzcan]

Make a course?

[@theburningmonk]

maybe, I haven't used it enough myself though, so might not be the best person to do it

[@MuratKeremOzcan]

@@theburningmonk noo no, we only trust you to teach this, WTB course