Why Terraform in GitHub Actions? - Purpose & Use Cases

The Big Idea

What if your cloud updates could happen automatically every time you save your code?

The Scenario

Imagine you have to set up cloud resources by typing commands on your computer every time you want to make a change.

You do this manually for each update, hoping you don't forget a step or make a mistake.

The Problem

Doing this by hand is slow and risky.

You might miss a command or use the wrong settings, causing errors or downtime.

It's hard to keep track of what you changed and when.

The Solution

Terraform in GitHub Actions automates this process.

Every time you update your code, GitHub runs Terraform to safely apply changes to your cloud setup.

This means no more manual typing, fewer mistakes, and clear records of changes.

Before vs After

✗ Before

terraform apply
# manually run commands each time

✓ After

on: push
jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: hashicorp/setup-terraform@v2
      - run: terraform apply -auto-approve

What It Enables

You can safely and quickly update cloud infrastructure with every code change, without lifting a finger.

Real Life Example

A team working on a website updates the server setup in code.

When they push changes, GitHub Actions runs Terraform to update servers automatically, keeping the site running smoothly.

Key Takeaways

Manual cloud setup is slow and error-prone.

Terraform in GitHub Actions automates and tracks changes.

This leads to safer, faster, and more reliable cloud updates.