Github action workflow to dockerize an application, publish it on registry and deploy it on a server

Dockerize Github Action Workflow

name: Deploy to Server

on:
  push:
    branches:
      - master

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get new version
        id: newVersion
        run: |
          PREVIOUS_VERSION=$(git describe --abbrev=0 --tags)
          echo "Previous Version: $PREVIOUS_VERSION"
          LATEST_VERSION=${LATEST_TAG#v}
          NEW_VERSION=$(($LATEST_VERSION+1))
          echo "New Version: $NEW_VERSION"
          echo "NEW_VERSION=$NEW_VERSION" >> "$GITHUB_OUTPUT"
      
      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker
        uses: docker/setup-buildx-action@v2

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          build-args: |
            "DB_URL=${{ secrets.DB_URL }}"
          push: true
          tags: astroApp:${{ steps.newVersion.outputs.NEW_VERSION }}

      - name: Setup git config
        run: |
          git config --local user.name "GitHub Action"
          git config --local user.email "[email protected]"

      - name: Create and push git tag
        run: |
          git tag v${{ steps.newVersion.outputs.NEW_VERSION }}
          git push origin v${{ steps.newVersion.outputs.NEW_VERSION }}

      - name: Deploy docker image to server
        uses: appleboy/[email protected]
        with:
          host: ${{ secrets.SERVER_HOST }}
          username: ${{ secrets.SERVER_USERNAME }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          script: |
            docker pull astroApp:${{ steps.newVersion.outputs.NEW_VERSION }}
            docker stop web || true
            docker rm web || true
            docker run -d -p 8888:8888 --restart unless-stopped --name web astroApp:${{ steps.newVersion.outputs.NEW_VERSION }}