Github Action Workflow push image to ECR - Public Registry

deploy_to_aws_ecs.yml

name: Deploy to Amazon ECS

on:
  push:
    branches:
      - main

env:
  ECS_CLUSTER: ${{ secrets.ECS_CLUSTER }}
  ECS_SERVICE: ${{ secrets.ECS_SERVICE }}

jobs:
  deploy:
    name: Deploy to ECS
    runs-on: ubuntu-latest
    steps:
      - name: Cancel previous runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}

      - name: Checkout
        uses: actions/checkout@v2.3.4

      - name: Login to Public ECR
        uses: docker/login-action@v1
        with:
          registry: public.ecr.aws
          username: ${{ secrets.AWS_ACCESS_KEY_ID }}
          password: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        env:
          AWS_REGION: <region_name>

      - name: Build, tag, and push image to Amazon ECR
        id: build-image
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          ECR_REGISTRY_PUBLIC: <public_registry_name>
          ECR_REPOSITORY: <repository_name> # public.ecr.aws/t3e2d2e0
          IMAGE_TAG: ${{ github.sha }}
        run: |
          docker build -t $ECR_REGISTRY_PUBLIC/$ECR_REPOSITORY:$IMAGE_TAG .
          docker push $ECR_REGISTRY_PUBLIC/$ECR_REPOSITORY:$IMAGE_TAG