🔥Let’s Do DevOps: Passing data between GitHub Actions jobs, steps, and tasks (and make Matrices dynamic!)

This blog series focuses on presenting complex DevOps projects as simple and approachable via plain language and lots of pictures. You can do it!

Hey all!

I recently published a series of articles focused on how to build a GitHub App that triggers on Org actions, like creating a new repo, how to use an AWS Lambda to access secrets and trigger GitHub Actions, and how to pass an input variable to a GitHub Action. But I realize that a lot of those very cool widgets don’t work without something that’s quite basic — passing information around inside a GitHub Action.

When a variable is set by a task (the smallest unit of work inside a GitHub Action), that variable is accessible within the same task. But the next task? Nope. It’s totally gone. So passing that var to the next step, or another job that’s potentially run on an entirely different builder? Definitely no (at least by default).

However, as you build GitHub Actions, you need to do all of this (and more). Let’s talk what GitHub recommends, and the hacky, awesome ways I personally use that works best for my Actions.

I’ve Moved To Lets Do DevOps

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🔥Let's Do DevOps: Passing data between GitHub Actions jobs, steps, and tasks (and make Matrices...