lizard/.github/workflows/deploy.yml at main · djbender/lizard · GitHub

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name: Deploy

on:
  workflow_run:
    workflows: ["CI"]
    types: [completed]
    branches: [main]
  workflow_dispatch:

concurrency:
  group: deploy-production
  cancel-in-progress: false

permissions:
  contents: read

env:
  IMAGE_NAME: registry.dokku.djbender.com/lizard
  GIT_SHA: ${{ github.sha }}

jobs:
  build:
    runs-on: ${{ matrix.runner }}
    if: github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success'
    environment: production
    strategy:
      matrix:
        include:
          - arch: amd64
            runner: ubuntu-24.04
          - arch: arm64
            runner: ubuntu-24.04-arm

    steps:
      - uses: actions/checkout@v7
        with:
          ref: ${{ github.event.workflow_run.head_sha || github.sha }}

      - name: Set short SHA
        run: echo "GIT_SHA_SHORT=${GIT_SHA::7}" >> "$GITHUB_ENV"

      - uses: docker/setup-buildx-action@v4

      - uses: docker/login-action@v4.6.0
        with:
          registry: registry.dokku.djbender.com
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/${{ matrix.arch }}
          push: true
          tags: ${{ env.IMAGE_NAME }}:${{ env.GIT_SHA_SHORT }}-${{ matrix.arch }}
          build-args: |
            GIT_SHA=${{ env.GIT_SHA_SHORT }}
          cache-from: type=gha,scope=build-${{ matrix.arch }}
          cache-to: type=gha,scope=build-${{ matrix.arch }},mode=max

  merge:
    runs-on: ubuntu-latest
    needs: build
    environment: production

    steps:
      - name: Set short SHA
        run: echo "GIT_SHA_SHORT=${GIT_SHA::7}" >> "$GITHUB_ENV"

      - uses: docker/setup-buildx-action@v4

      - uses: docker/login-action@v4.6.0
        with:
          registry: registry.dokku.djbender.com
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Create multi-arch manifest
        run: |
          docker buildx imagetools create \
            -t ${{ env.IMAGE_NAME }}:${{ env.GIT_SHA_SHORT }} \
            -t ${{ env.IMAGE_NAME }}:latest \
            ${{ env.IMAGE_NAME }}:${{ env.GIT_SHA_SHORT }}-amd64 \
            ${{ env.IMAGE_NAME }}:${{ env.GIT_SHA_SHORT }}-arm64

      - name: Remove intermediate arch tags
        run: |
          for arch in amd64 arm64; do
            skopeo delete "docker://${{ env.IMAGE_NAME }}:${{ env.GIT_SHA_SHORT }}-$arch" || true
          done

  deploy:
    runs-on: ubuntu-latest
    needs: merge
    environment: production

    steps:
      - name: Set short SHA
        run: echo "GIT_SHA_SHORT=${GIT_SHA::7}" >> "$GITHUB_ENV"

      - uses: webfactory/ssh-agent@v0.10.0
        with:
          ssh-private-key: ${{ secrets.DOKKU_SSH_PRIVATE_KEY }}

      - name: Add Dokku to known_hosts
        run: ssh-keyscan -p ${{ secrets.DOKKU_PORT }} -H ${{ secrets.DOKKU_HOST }} >> ~/.ssh/known_hosts

      - name: Deploy to Dokku
        run: |
          output=$(ssh -p ${{ secrets.DOKKU_PORT }} dokku@${{ secrets.DOKKU_HOST }} git:from-image lizard ${{ env.IMAGE_NAME }}:${{ env.GIT_SHA_SHORT }} 2>&1 | tee /dev/stderr) && exit 0
          if echo "$output" | grep -q "No changes detected"; then
            exit 0
          else
            exit 1
          fi