使用GitHub Actions向S3上传静态文件

name: Main CI
 
on:
  push:
    branches:
      - main
jobs:
  push-to-s3:
    name: Push to S3
    runs-on: ubuntu-20.04
 
    # 레포지토리에 접근하여 CI서버로 코드를 내려받음
    steps:
    - name: Checkout
      uses: actions/checkout@v3
 
    # 캐시 사용
    - name: Cache dependencies
      uses: actions/cache@v3
      with:
        path: |
          ./posts
        key: ${{ runner.os }}-posts-${{ hashFiles('**/posts/**') }}
 
    # aws에 접근하기 위한 권한 설정
    - 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: ap-northeast-2
 
    # s3에 파일 업로드
    - name: Upload to S3
      run: |
        aws s3 sync \
          ./posts s3://promleeblog-cdn
			# file path, s3 버킷 이름