manual_deploy.yml

name: On-demand deploy

# https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows
on:
  issue_comment:
    types: [created]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}-web

jobs:
  deploy:
    runs-on: ubuntu-latest
    
    # Only run if it is a PR and the comment contains /deploy
    if: github.event.issue.pull_request && contains(github.event.comment.body, '/deploy')
       
    # when we run this action as depenabot, we need to give it write permissions to the package registry and to the statuses
    permissions:
      contents: read
      packages: write
      statuses: write
      pull-requests: write
    
    steps:
      - name: Get branch of PR
        uses: xt0rted/pull-request-comment-branch@v2
        id: comment-branch

      - name: Set latest commit status as pending
        uses: myrotvorets/set-commit-status-action@v2.0.0
        with:
          sha: ${{ steps.comment-branch.outputs.head_sha }}
          token: ${{ secrets.GITHUB_TOKEN }}
          status: pending

      - uses: actions/checkout@v4
        with:
          submodules: recursive
          ref: ${{ steps.comment-branch.outputs.head_ref }}

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5.0.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      # see https://github.com/docker/build-push-action/issues/513#issuecomment-987951050
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          # it seems that cache is not giving any benefit in speed, lets keep it disabled for now
          # cache-from: type=gha
          # cache-to: type=gha,mode=max
          build-args: |
            BUILDKIT_CONTEXT_KEEP_GIT_DIR=true
            DEPLOYMENT=dev

      - name: Add workflow result as comment on PR
        uses: actions/github-script@v6
        if: always()
        with:
          script: |
            const workflow_name = '${{ github.workflow	}}';
            const url = '${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}';
            const success = '${{ job.status }}' === 'success';
            const body = `${workflow_name}: ${success ? 'succeeded ✅' : 'failed ❌'}\n${url}`;
            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: body
            })

      - name: Set latest commit status as ${{ job.status }}
        uses: myrotvorets/set-commit-status-action@v2.0.0
        if: always()
        with:
          sha: ${{ steps.comment-branch.outputs.head_sha }}
          token: ${{ secrets.GITHUB_TOKEN }}
          status: ${{ job.status  }}