python-blog/.github/workflows/publish.yaml

name: Publish Docker image

on:
  push:
    branches:
      - master

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: crocmagnon/blog:latest
          cache-from: type=registry,ref=crocmagnon/blog:latest
          cache-to: type=inline
          build-args: |
            POETRY_OPTIONS=--no-dev
  deploy:
    name: Deploy new image
    runs-on: ubuntu-latest
    needs: [push_to_registry]
    steps:
      - name: Deploy
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: ${{ secrets.DEPLOY_USERNAME }}
          key: ${{ secrets.DEPLOY_KEY }}
          port: ${{ secrets.DEPLOY_PORT }}
          script: /mnt/data/blog/update