deploy.yml

name: Application Deployment

on:
  push:
    branches:
      - 'dev'
      - 'staging'
      - 'production'

env:
  REGISTRY: ghcr.io
  CONTAINER_NAME: dapp
  CLUSTER_NAME: dapp-cluster
  TASK_DEFINITION: .github/workflows/task-definition.json

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    environment: ${{ github.ref_name }}
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          build-args: APP_ENV=${{ github.ref_name }}
          push: true
          tags: ${{ env.REGISTRY }}/${{ github.repository }}:${{ github.ref_name }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  deploy:
    needs: build-and-push
    runs-on: ubuntu-latest
    environment: ${{ github.ref_name }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - 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: Update ECS task definition
        env:
          AWS_ACCOUNT_ID: ${{ secrets.AWS_ACCOUNT_ID }}
          AWS_REGION: ${{ secrets.AWS_REGION }}
          APP_ENV: ${{ github.ref_name }}
          IMAGE: ${{ env.REGISTRY }}/${{ github.repository }}:${{ github.ref_name }}
        run: |
          sed -i 's|${AWS_ACCOUNT_ID}|'"$AWS_ACCOUNT_ID"'|g' ${{ env.TASK_DEFINITION }}
          sed -i 's|${AWS_REGION}|'"$AWS_REGION"'|g' ${{ env.TASK_DEFINITION }}
          sed -i 's|${APP_ENV}|'"$APP_ENV"'|g' ${{ env.TASK_DEFINITION }}
          sed -i 's|${IMAGE}|'"$IMAGE"'|g' ${{ env.TASK_DEFINITION }}
          sed -i 's|${CONTAINER_NAME}|'"${{ env.CONTAINER_NAME }}"'|g' ${{ env.TASK_DEFINITION }}
          sed -i 's|${CLUSTER_NAME}|'"${{ env.CLUSTER_NAME }}"'|g' ${{ env.TASK_DEFINITION }}

      - name: Deploy Amazon ECS task definition
        uses: aws-actions/amazon-ecs-deploy-task-definition@v1
        with:
          task-definition: ${{ env.TASK_DEFINITION }}
          service: ${{ env.CONTAINER_NAME }}-ecs-service
          cluster: ${{ env.CLUSTER_NAME }}-${{ github.ref_name }}-ecs-cluster
          wait-for-service-stability: true