ci-cd.yml

name: CI/CD Pipeline for Go Services with PM2

on:
  push:
    branches:
      - feat/ci

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

    steps:
      # Checkout the code
      - name: Checkout code
        uses: actions/checkout@v3
        # Setup Go version 1.22.0 #test
      - name: Setup Go 1.22.0
        uses: actions/setup-go@v3
        with:
            go-version: '1.22.0'
    #export go
      - name: Export go
        run: |
            export PATH=$PATH:/usr/local/go/bin
            export GO111MODULE="on" 
          # Deploy to Server
      - name: Install Go dependencies and tidy modules for api_gateway
        run: |
          go mod tidy

      # add .env file for api_gateway
      - name: Create .env file for api_gateway
        run: |
          echo "ENVIRONMENT=$ENVIRONMENT" > ./monorepo/api_gateway/.env
          echo "LOG_LEVEL=$LOG_LEVEL" >> ./monorepo/api_gateway/.env
          echo "BASE_SERVICE_HOST=$BASE_SERVICE_HOST" >> ./monorepo/api_gateway/.env
          echo "BASE_SERVICE_PORT=$BASE_SERVICE_PORT" >> ./monorepo/api_gateway/.env
          echo "HTTP_PORT=$HTTP_PORT" >> ./monorepo/api_gateway/.env

        # add .env file for base_service
      - name: Create .env file for base_service
        run: |
          echo "ENVIRONMENT=$ENVIRONMENT" > ./monorepo/base_service/.env
          echo "LOG_LEVEL=$LOG_LEVEL" >> ./monorepo/base_service/.env
          echo "POSTGRES_HOST=$POSTGRES_HOST" >> ./monorepo/base_service/.env
          echo "POSTGRES_PORT=$POSTGRES_PORT" >> ./monorepo/base_service/.env
          echo "POSTGRES_USER=$POSTGRES_USER" >> ./monorepo/base_service/.env
          echo "POSTGRES_PASSWORD=$POSTGRES_PASSWORD" >> ./monorepo/base_service/.env
          echo "POSTGRES_DB=$POSTGRES_DB" >> ./monorepo/base_service/.env
          echo "RPC_PORT=$RPC_PORT" >> ./monorepo/base_service/.env
          echo "SERVICE_NAME=$SERVICE_NAME" >> ./monorepo/base_service/.env

          #test


    #   Build Go services (api_gateway and base_service)
      - name: Build Go services
        run: |
          # Build api_gateway
          go build -o ./monorepo/dist/api_gateway ./monorepo/api_gateway/main.go

          # Build base_service
          go build -o ./monorepo/dist/base_service ./monorepo/base_service/main.go
      
      - name: Connect to Server
        run: |
         echo "$SSH_KEY" > private_key.pem
          chmod 600 private_key.pem

          # Add the server host to known_hosts
          mkdir -p ~/.ssh
          echo "Attempting to connect to host: $SSH_HOST"
          echo "Connecting as user: $SSH_USER"
          ssh-keyscan -H $SSH_HOST >> ~/.ssh/known_hosts
          
          # Send built files to the server (adjust paths if needed)
          scp -i private_key.pem -r * $SSH_USER@$SSH_HOST:/root/dozzer_ci_cd_backend/
          
          # Install PM2 and start services
          ssh -i private_key.pem $SSH_USER@$SSH_HOST << 'EOF'

      - name: Pm2 Start Services
        run: |
          cd /root/dozzer_ci_cd_backend
          # Start the services with PM2
          pm2 stop api_gateway || true
          pm2 delete api_gateway  || true
          pm2 start ./monorepo/api_gateway.json --name api_gateway
          
          pm2 stop base_service || true
          pm2 delete base_service || true
          pm2 start ./monorepo/base_service.json  --name base_service

          # Save PM2 processes
          pm2 save
          EOF
        shell: /usr/bin/bash -e {0}
        env:
          SSH_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          SSH_HOST: ${{ secrets.SSH_HOST }}
          SSH_USER: ${{ secrets.SSH_USER }}
          # get variables github secrets variables
          ENVIRONMENT : ${{ vars.ENVIRONMENT }}
          LOG_LEVEL : ${{ vars.LOG_LEVEL }}
          BASE_SERVICE_HOST : ${{ vars.BASE_SERVICE_HOST }}
          BASE_SERVICE_PORT : ${{ vars.BASE_SERVICE_PORT }}
          HTTP_PORT : ${{ vars.HTTP_PORT }}
          POSTGRES_HOST : ${{ vars.POSTGRES_HOST }}
          POSTGRES_PORT : ${{ vars.POSTGRES_PORT }}
          POSTGRES_USER : ${{ vars.POSTGRES_USER }}
          POSTGRES_PASSWORD : ${{ vars.POSTGRES_PASSWORD }}
          POSTGRES_DB : ${{ vars.POSTGRES_DB }}
          RPC_PORT : ${{ vars.RPC_PORT }}
          SERVICE_NAME : ${{ vars.SERVICE_NAME }}
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