Workflow to deploy Gatsby site to GitHub Pages w/ Google Analytics

main.yml

# This workflow to automatically build and deploy to GitHub Pages (master branch)
# when code is pushed to the dev branch
name: CI

# Controls when the action will run. 
on:
  # Triggers the workflow on push events but only for the dev branch
  push:
    branches: [ dev ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2

      #Create environment variable for Node
      - name: Create .env file
        uses: SpicyPizza/create-envfile@v1
        with:
          envkey_GOOGLE_ANALYTICS_ID: ${{ secrets.GOOGLE_ANALYTICS_ID }}

      #This is required if public is in .gitignore, which it likely is
      - name: Create public folder for build output
        run: mkdir -p public

      # Install packages
      - name: Run npm install
        run: npm install

      # Gatsby build
      - name: Run npm build
        run: npm run build

      # Deploy to master
      - name: Deploy 🚀
        uses: JamesIves/[email protected]
        with:
          branch: master # The branch the action should deploy to.
          folder: public # The folder the action should deploy.