ci.yml

name: Build

env:
  APP_NAME: CMS-BACKEND-API
  PROJECT_NAME: CMS-BACKEND-API
  DOCKER_COMPOSE_PATH: /root/app/docker-compose.yml
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  DOCKER_REGISTRY: ghcr.io/Code4GovTech/DMP-CMS-Backend-API
  DOT_ENV_FILE_NAME: env.data
  

on:
  workflow_dispatch:
  push:
    branches:
      - devops
      - dev
      - main

permissions:
  contents: write

jobs:
  set_vars:
    name: Set Environment Variables
    runs-on: ubuntu-latest
    outputs:
      TAG_LATEST: ${{ steps.tag_values.outputs.TAG_LATEST }}
      TAG_ENV_COMMIT: ${{ steps.tag_values.outputs.TAG_ENV_COMMIT }}
      APP_ENV: ${{ steps.tag_values.outputs.APP_ENV }}
    steps:
      - name: Set Docker Image Tags
        id: tag_values
        run: |
          case "${{ github.ref }}" in
            'refs/heads/main')
              echo "TAG_LATEST=prod-latest" >> $GITHUB_OUTPUT
              echo "TAG_ENV_COMMIT=prod-${GITHUB_SHA:0:5}" >> $GITHUB_OUTPUT
              echo "APP_ENV=PROD" >> $GITHUB_OUTPUT
              ;;
            'refs/heads/devops')
              echo "TAG_LATEST=dev-latest" >> $GITHUB_OUTPUT
              echo "TAG_ENV_COMMIT=dev-${GITHUB_SHA:0:5}" >> $GITHUB_OUTPUT
              echo "APP_ENV=DEV" >> $GITHUB_OUTPUT
              ;;
            'refs/heads/dev')
              echo "TAG_LATEST=dev-latest" >> $GITHUB_OUTPUT
              echo "TAG_ENV_COMMIT=dev-${GITHUB_SHA:0:5}" >> $GITHUB_OUTPUT
              echo "APP_ENV=DEV" >> $GITHUB_OUTPUT
              ;;
          esac

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: [set_vars]
    permissions:
      contents: read
      packages: write
    env:
      TAG_LATEST: ${{ needs.set_vars.outputs.TAG_LATEST }}
      TAG_ENV_COMMIT: ${{ needs.set_vars.outputs.TAG_ENV_COMMIT }}
      SUPABASE_URL: ${{ vars[format('APP_{0}_SUPABASE_URL', needs.set_vars.outputs.APP_ENV)] }}
      SUPABASE_KEY: ${{ secrets[format('APP_{0}_SUPABASE_KEY', needs.set_vars.outputs.APP_ENV)] }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Login to GitHub Packages
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin

      - name: Set Docker Tags
        uses: actions/setup-node@v2

      - name: Read Secrets
        run: |
          echo "SUPABASE_URL=${SUPABASE_URL}" >> .env
          echo "SUPABASE_KEY=${SUPABASE_KEY}" >> .env
          mv .env ${{ env.DOT_ENV_FILE_NAME }}

      - name: Copy env file to DEV Server 
        uses: appleboy/scp-action@v0.1.7
        if: needs.set_vars.outputs.APP_ENV == 'DEV'
        with:
          host: ${{ vars.DEV_SERVER_HOST }}
          username: ${{ vars.DEV_SERVER_USERNAME }}
          key: ${{ secrets.DEV_SSH_PRIVATE_KEY }}
          port: ${{ vars.DEV_SERVER_PORT }}
          source: "${{ env.DOT_ENV_FILE_NAME }}"
          target: /root/app/

      - name: Build ${{ env.APP_NAME }} Docker image
        run: |
          docker build -t ${{ env.DOCKER_REGISTRY }}:${{ env.TAG_LATEST }} .
      
      - name: Add tag to Docker image
        run: |
          echo ${{ github.sha }}
          docker tag ${{ env.DOCKER_REGISTRY }}:${{ env.TAG_LATEST }} ${{ env.DOCKER_REGISTRY }}:${{ env.TAG_ENV_COMMIT }}
      
      - name: Push Docker image to GitHub Packages
        run: | 
          docker push ${{ env.DOCKER_REGISTRY }}:${{ env.TAG_LATEST }}
          docker push ${{ env.DOCKER_REGISTRY }}:${{ env.TAG_ENV_COMMIT }}

  deploy:
    name: Deployment
    runs-on: ubuntu-latest
    needs: build
    if: github.event_name == 'push' && github.ref_type == 'branch'

    steps:
      - name: Deploy to DevOps/Dev Environment
        if: github.ref == 'refs/heads/devops' || github.ref == 'refs/heads/dev'
        uses: appleboy/ssh-action@v1.0.3
        env:
          DOCKER_COMPOSE_PATH: ${{ env.DOCKER_COMPOSE_PATH }}
          APP_NAME: ${{ env.APP_NAME }}
          DOCKER_REGISTRY: ${{ env.DOCKER_REGISTRY }}
        with:
          host: ${{ vars.DEV_SERVER_HOST }}
          username: ${{ vars.DEV_SERVER_USERNAME }}
          key: ${{ secrets.DEV_SSH_PRIVATE_KEY }}
          port: ${{ vars.DEV_SERVER_PORT }}
          allenvs: true
          script_stop: true
          envs: DOCKER_COMPOSE_PATH,APP_NAME,DOCKER_REGISTRY
          script: |
            echo "==============================="
            echo "Deploying to Dev environment running on Docker Compose"
            echo "==============================="
            echo "Docker Compose Path $DOCKER_COMPOSE_PATH"
            echo "App Name $APP_NAME"
            echo "Docker Registry $DOCKER_REGISTRY"
            COMMIT=$(echo $GITHUB_SHA | cut -c1-5)
            TAG_ENV_COMMIT="dev-${COMMIT}"
            CURRENT_TAG=$(grep "${DOCKER_REGISTRY}:" $DOCKER_COMPOSE_PATH | sed -n 's/.*'"${APP_NAME}"':\([^"]*\).*/\1/p')
            echo "Current Tag: $CURRENT_TAG"
            echo "Latest Tag: $TAG_ENV_COMMIT"
            sudo sed -i 's|'"${DOCKER_REGISTRY}:${CURRENT_TAG}"'|'"${DOCKER_REGISTRY}:${TAG_ENV_COMMIT}"'|g' $DOCKER_COMPOSE_PATH
            docker pull $DOCKER_REGISTRY:$TAG_ENV_COMMIT
            docker compose -f $DOCKER_COMPOSE_PATH up -d

      - name: Deploy to Prod environment
        if: github.ref == 'refs/heads/main'
        run: echo "Deploying to Kubernetes"