4.actions.md

GitHub Actions: Common Actions

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Actions are reusable units of code that simplify tasks in workflows. They allow you to reuse existing scripts or create your own. Actions are useful for tasks like:

• Checking out the repository
• Setting up programming environments
• Installing dependencies

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1. Checkout Repository

• Always first step to clone repository.

- name: Checkout code
  uses: actions/checkout@v4

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2. Setup Node.js

- name: Setup Node.js
  uses: actions/setup-node@v4
  with:
    node-version: '18'

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3. Setup Python

- name: Setup Python
  uses: actions/setup-python@v5
  with:
    python-version: '3.11'

4. Docker Build & Push

- name: Build & Push Docker
  uses: docker/build-push-action@v6
  with:
    context: .
    push: true
    tags: user/app:latest