name: Build and Deploy Kotlin gradle Application

on:
  push:
    branches:
      - working-poc

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Build backend docker image
        run: |
          sudo /usr/bin/docker build -t gitea-workshop-app -f ./Dockerfile-backend . --no-cache

      - name: Extract backend docker image into archive
        run: |
          sudo /usr/bin/docker save gitea-workshop-app:latest -o ./gitea-workshop-app.tar

      - name: Transfer artifacts to remote server
        env:
          SSH_PRIVATE_KEY: ${{ secrets.PROD_SSH_PRIVATE_KEY }}
          REMOTE_HOST: ${{ secrets.PROD_REMOTE_HOST }}
          REMOTE_USER: ${{ secrets.PROD_REMOTE_USER }}
          REMOTE_PORT: ${{ secrets.PROD_REMOTE_PORT }}
          REMOTE_PATH: ${{ secrets.PROD_REMOTE_PATH }}
        run: |
          mkdir -p ~/.ssh
          echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
          chmod 400 ~/.ssh/id_rsa
          scp -o StrictHostKeyChecking=no -P $REMOTE_PORT ./gitea-workshop-app.tar $REMOTE_USER@$REMOTE_HOST:$REMOTE_PATH
          scp -o StrictHostKeyChecking=no -P $REMOTE_PORT ./docker-compose.yml $REMOTE_USER@$REMOTE_HOST:$REMOTE_PATH

      - name: Launch application onto remote server
        env:
          SSH_PRIVATE_KEY: ${{ secrets.PROD_SSH_PRIVATE_KEY }}
          REMOTE_HOST: ${{ secrets.PROD_REMOTE_HOST }}
          REMOTE_USER: ${{ secrets.PROD_REMOTE_USER }}
          REMOTE_PORT: ${{ secrets.PROD_REMOTE_PORT }}
          REMOTE_PATH: ${{ secrets.PROD_REMOTE_PATH }}
        run: |
          ssh -o StrictHostKeyChecking=no $REMOTE_HOST -l £REMOTE_USER -p $REMOTE_PORT << EOC
            cd $REMOTE_PATH
            sudo /usr/bin/docker load < $REMOTE_PATH/gitea-workshop-app.tar
            sudo /usr/bin/docker compose down
            sudo /usr/bin/docker compose up --detach
          EOC