ecr-build.yml

name: Automate ECR image build steps

on:
  push:
    branches: [ "main" ]

jobs:
  build:
    name: Build image
    runs-on: ubuntu-latest
    
    steps:
      - name: Code verification
        uses: actions/checkout@v3
      
      - 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: ${{ secrets.AWS_REGION }}

      - name: Amazon ECR "Login" Action for GitHub Actions
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v1
        
      - name: Build, tag, and push image to AWS ECR
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          ECR_REPOSITORY: ${{ secrets.ECR_REPOSITORY }}
        run: |
          docker build -t $ECR_REPOSITORY:latest .
          docker tag $ECR_REPOSITORY:latest $ECR_REGISTRY/$ECR_REPOSITORY:latest
          docker push $ECR_REGISTRY/$ECR_REPOSITORY:latest