What’s new on sls-dev-tools ?

Antoine Eudes
Mar 27, 2020 · 2 min read

Four months after the introduction of Serverless Developer Tools, we’re once again improving the Serverless development experience with a post alpha iteration. Approaching the end of the week, we are excited to announce the release of a bunch of new features.

For those who haven’t heard of it, sls-dev-tools is an opensource project that aims at becoming the equivalent of Chrome Dev Tools for the Serverless World. Our goal is to provide the Serverless community with metrics, logs and feedback directly in the terminal, eliminating the need to constantly jump to the AWS Console.

The new features released with version 0.1.3

  • Expanded AWS authentication support
    We upgraded our authentication method to support AWS credentials using environment variables and via policy name (allowing a restricted IAM policy & MFA).
  • EventBridge monitoring
    now displays a new type of resource: EventBridge. As a key component in Serverless Architectures, these Event Buses have a prominent position in our tool.
    With a planned “Event Injection” feature on the horizon.
  • Open the AWS Console for a function in one press
    Although we want to avoid the need to jump to the console, sometimes it’s needed. sls-dev-tools now saves you a few clicks on the way with the ability to open the configuration page of a selected function in one keypress!

What’s next?

The core contributor team is working on a deployment feature, making it possible to deploy any Lambda by pressing a single key and showing functions that have drifted with diff detection. Further to this will be the addition of more realtime interaction in the tool, showing the resources being used in order to facilitate debugging. We expect these features to come up in the next weeks, so stay tuned!

Your contribution is priceless

Thanks to your feedback, we solved two major issues on sls-dev-tools this week. If you find this tool useful or have any feedback please get in touch via GitHub issues or Twitter.
And, if you like what you’re seeing a ⭐️would go a long way!


We are also actively looking for contributors and will be available to help you find good first issues, code review and assistance on developing out any new functionality.

Docs: https://theodo-uk.github.io/sls-dev-tools/

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