build.yml

name: Build and Deploy

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

env:
  PORTFOLIO_IMAGE_NAME: portfolio
  BLOG_IMAGE_NAME: blog

jobs:
  push:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      - uses: actions/checkout@v2

      - name: Log into Docker Hub
        run: echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin

      - name: Build Portfolio Image
        run: docker build portfolio/ --file portfolio/Dockerfile --tag $PORTFOLIO_IMAGE_NAME

      - name: Build Blog Image
        run: docker build blog/ --file blog/Dockerfile --tag $BLOG_IMAGE_NAME

      - name: Log into GitHub Container Registry
        run: echo "${{ secrets.CR_PAT }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Push Portfolio App Image to GitHub Container Registry
        run: |
          PORTFOLIO_IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$PORTFOLIO_IMAGE_NAME
          PORTFOLIO_IMAGE_ID=$(echo $PORTFOLIO_IMAGE_ID | tr '[A-Z]' '[a-z]')
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          [ "$VERSION" == "main" ] && VERSION=latest
          docker tag $PORTFOLIO_IMAGE_NAME $PORTFOLIO_IMAGE_ID:$VERSION
          docker push $PORTFOLIO_IMAGE_ID:$VERSION

      - name: Push Blog App Image to GitHub Container Registry
        run: |
          BLOG_IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$BLOG_IMAGE_NAME
          BLOG_IMAGE_ID=$(echo $BLOG_IMAGE_ID | tr '[A-Z]' '[a-z]')
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          [ "$VERSION" == "main" ] && VERSION=latest
          docker tag $BLOG_IMAGE_NAME $BLOG_IMAGE_ID:$VERSION
          docker push $BLOG_IMAGE_ID:$VERSION

      - name: Pull Images and Restart Containers on Google Cloud VM
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.KEY }}
          script: |
            cd portfolio-website
            docker-compose down
            docker-compose pull
            docker-compose up -d