deploy.yml

name: Deploy

on:
  push:
    branches:
      - main

env:
  DOMAIN: ${{ vars.DOMAIN }}
  IMAGE_NAME: ${{ github.repository }}
  REGISTRY: ghcr.io
  STACK_NAME: swarmy

jobs:
  publish-images:
    name: Publish `${{ matrix.name }}` image
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - name: api
          - name: web
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/${{ matrix.name }}
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
            type=sha

      - name: Build & push image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./services/${{ matrix.name }}/Dockerfile
          labels: ${{ steps.meta.outputs.labels }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}

  deploy:
    name: Deploy
    runs-on: ubuntu-latest
    needs:
      - publish-images
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Configure Docker context
        uses: amirmarmul/docker-context-ssh-action@v1
        with:
          context-name: ${{ env.STACK_NAME }}
          context-use: true
          ssh-host: ${{ secrets.SSH_HOSTNAME }}
          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
          ssh-username: ${{ secrets.SSH_USERNAME }}

      - name: Deploy stack
        env:
          CLOUDFLARE_DNS_API_TOKEN: ${{ secrets.CLOUDFLARE_DNS_API_TOKEN }}
          CLOUDFLARE_EMAIL: ${{ secrets.CLOUDFLARE_EMAIL }}
          DOMAIN: ${{ env.DOMAIN }}
        run: docker stack deploy -c infra/config/compose.yml ${{ env.STACK_NAME }} --with-registry-auth

  update-services:
    name: Update `${{ matrix.name }}` service
    runs-on: ubuntu-latest
    needs:
      - deploy
    strategy:
      matrix:
        include:
          - name: api
            image: ghcr.io/nurodev/swarmy/api
          - name: web
            image: ghcr.io/nurodev/swarmy/web
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Configure Docker context
        uses: amirmarmul/docker-context-ssh-action@v1
        with:
          context-name: ${{ env.STACK_NAME }}
          context-use: true
          ssh-host: ${{ secrets.SSH_HOSTNAME }}
          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
          ssh-username: ${{ secrets.SSH_USERNAME }}

      - name: Update `${{ matrix.name }}` service
        run: docker service update --image ${{ matrix.image }} ${{ env.STACK_NAME }}_${{ matrix.name }} --with-registry-auth