container.yml

name: CI/CD for container

on: 
  push:
    branches: 
      - main
    paths: 
      - 'packages/container/**' #only run this work flow if we make changes inside of this container
      
defaults: 
  run: 
    working-directory: packages/container

jobs:
  build:
    runs-on: ubuntu-latest # running on sopecific virtual machine 

    steps:
      - uses: actions/checkout@v2 # checkout and use our code. similar to "use database" before quering it 
      - run: npm install
      - run: npm run build #build our dist directory
        env: 
          PRODUCTION_DOMAIN: ${{secrets.PRODUCTION_DOMAIN}} # exposing environment variable

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: eu-west-1

      - run: aws s3 sync dist s3://${{ secrets.AWS_S3_BUCKET_NAME }}/container/latest
          #below is automatic invalidation so s3 serves us latest html. because s3 cache we have to invalidate the cache
      - run: aws cloudfront create-invalidation --distribution-id ${{secrets.AWS_DISTRIBUTION_ID}} --path "/container/latest/index.html"
        env: 
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}