deploy.yml

# This is a GitHub action which uses SSH and docker to deploy to a server running a local container registry. This is how I deploy my own personal sites.
name: Build and Deploy to server

on:
  push:
    branches:
      - main

env:
  IMAGE: ${{ github.event.repository.name }}

jobs:
  deploy:
    name: Deploy
    runs-on: ubuntu-latest
    steps:
      - name: Install SSH key
        uses: shimataro/ssh-key-action@v2
        with:
          key: ${{ secrets.PRIVATE_SSH_KEY }}
          known_hosts: ${{ secrets.KNOWN_HOSTS }}
          if_key_exists: replace

      - name: Checkout
        uses: actions/checkout@v2

      - name: Build
        run: |-
          docker build \
            --tag "localhost:5000/$IMAGE:$GITHUB_SHA" \
            --build-arg GITHUB_SHA="$GITHUB_SHA" \
            --build-arg GITHUB_REF="$GITHUB_REF" \
            .

      - name: Upload
        run: |-
          docker save localhost:5000/$IMAGE:$GITHUB_SHA | gzip | ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} docker load

      - name: Publish
        run: |-
          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} docker push localhost:5000/$IMAGE:$GITHUB_SHA
      - run: |-
          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} docker image tag localhost:5000/$IMAGE:$GITHUB_SHA localhost:5000/$IMAGE:latest
      - run: |-
          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} docker push localhost:5000/$IMAGE:latest

      - name: Deploy
        run: |-
          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "cd /var/www/${{ github.event.repository.name }}; docker-compose down; supervisorctl restart $IMAGE"