deploy-backend.yml

name: Build & Deploy Backend to EC2

on:
  push:
    branches:
      - master
    paths:
      - "portal-backend-python/**"
  workflow_dispatch:

env:
  AWS_REGION: us-east-2
  ECR_REPOSITORY: portal-backend

jobs:
  build-and-push:
    name: Build & Deploy Backend to EC2
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        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: ${{ env.AWS_REGION }}

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v1

      - name: Set IMAGE_TAG to current time
        run: echo "IMAGE_TAG=$(date +%Y%m%d%H%M%S)" >> $GITHUB_ENV

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ./portal-backend-python
          file: ./portal-backend-python/Dockerfile
          platforms: linux/arm64
          push: true
          tags: |
            ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:${{ env.IMAGE_TAG }}
            ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:latest

      - name: Deploy to EC2
        env:
          PRIVATE_KEY: ${{ secrets.EC2_SSH_KEY }}
          EC2_USER: ec2-user
          EC2_IP: ${{ secrets.EC2_IP }}
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
        run: |
          echo "$PRIVATE_KEY" > key.pem
          chmod 600 key.pem

          # Copy compose/vault files to EC2
          scp -i key.pem -o StrictHostKeyChecking=no portal-backend-python/compose.yml $EC2_USER@$EC2_IP:~/
          scp -i key.pem -o StrictHostKeyChecking=no portal-backend-python/Caddyfile $EC2_USER@$EC2_IP:~/
          scp -i key.pem -o StrictHostKeyChecking=no portal-backend-python/populate_env_prod.sh $EC2_USER@$EC2_IP:~/

          # Deploy on EC2
          ssh -i key.pem -o StrictHostKeyChecking=no $EC2_USER@$EC2_IP << EOF
            aws ecr get-login-password --region $AWS_REGION | docker login --username AWS --password-stdin $ECR_REGISTRY
            docker pull $ECR_REGISTRY/$ECR_REPOSITORY:latest
            ./populate_env_prod.sh
            docker-compose up -d
            docker image prune -f
          EOF