cd-deploy-docs.yaml

name: Deploy Docs (Production)

concurrency: documentation

on:
  push:
    branches: [master, gql]

jobs:
  detect-changes:
    name: Detect Documentation Changes
    runs-on: ubuntu-latest
    outputs:
      changed: ${{ steps.changed.outputs.any_changed }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Detect Changed Files
        uses: tj-actions/changed-files@v45
        id: changed
        with:
          files: |
            docs/**

  build-push:
    name: Build and Push Docs Image
    needs: [detect-changes]
    runs-on: ubuntu-latest
    if: needs.detect-changes.outputs.changed == 'true'

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

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

      - name: Build and Push
        uses: docker/build-push-action@v6
        with:
          context: docs
          target: docs-prod
          tags: ${{ secrets.DOCKER_USERNAME }}/bt-docs:prod
          cache-from: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/bt-docs:prod-cache
          cache-to: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/bt-docs:prod-cache,mode=max
          platforms: linux/amd64
          push: true

  deploy:
    name: SSH and Deploy
    needs: [build-push]
    runs-on: ubuntu-latest
    environment: documentation

    steps:
      - name: SSH and Helm Install
        uses: appleboy/ssh-action@v1.2.0
        with:
          host: ${{ secrets.SSH_HOST }}
          username: ${{ secrets.SSH_USERNAME }}
          key: ${{ secrets.SSH_KEY }}
          script: |
            set -e  # Exit immediately if a command fails

            # Check if helm chart exists
            helm status bt-prod-docs &>/dev/null && status=true || status=false

            # Upgrade helm chart, or install if not exists
            helm upgrade bt-prod-docs oci://registry-1.docker.io/octoberkeleytime/bt-docs \
              --install \
              --version=1.0.0 \
              --namespace=bt \
              --set host=docs.stanfurdtime.com

            # Restart deployment if helm chart existed
            if [ $status = true ]; then
              kubectl rollout restart deployment bt-prod-docs-docs
            fi

            # Check container status
            kubectl rollout status --timeout=180s deployment bt-prod-docs-docs

      - name: Output Summary
        run: |
          echo "# :white_check_mark: Deployment available at [docs.stanfurdtime.com](https://docs.stanfurdtime.com)." >> $GITHUB_STEP_SUMMARY