release-candidate.yml

name: Release Candidate Deploy

on:
  workflow_run:
    workflows: [CI]
    types: [completed]
    branches: [release-candidate]
  workflow_dispatch: # manual trigger

jobs:
  # runs if CI workflow was successful OR if this was manually triggered
  on-success:
    runs-on: ubuntu-latest
    if: >
      github.event_name == 'workflow_dispatch' ||
      github.event.workflow_run.conclusion == 'success'
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
        with:
          ref: release-candidate

      - uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4
        with:
          node-version: "^20"
          cache: yarn
          cache-dependency-path: yarn.lock

      - name: Setup environment
        run: sudo apt-get install libelf1

      - name: Install frontend dependencies
        run: yarn install --immutable

      - name: Build frontend
        run: NODE_ENV=production yarn build
        env:
          EMBEDLY_KEY: ${{ secrets.EMBEDLY_KEY_RC }}
          POSTHOG_ENABLED: true
          POSTHOG_API_HOST: https://app.posthog.com
          POSTHOG_TIMEOUT_MS: 1000
          POSTHOG_PROJECT_ID: ${{ secrets.POSTHOG_PROJECT_ID_RC }}
          POSTHOG_PROJECT_API_KEY: ${{ secrets.POSTHOG_PROJECT_API_KEY_RC }}
          MITOPEN_AXIOS_WITH_CREDENTIALS: true
          MITOPEN_API_BASE_URL: https://api.mitopen-rc.odl.mit.edu
          MITOPEN_SUPPORT_EMAIL: odl-mitopen-rc-support@mit.edu

      - uses: akhileshns/heroku-deploy@581dd286c962b6972d427fcf8980f60755c15520
        with:
          heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
          heroku_app_name: "mitopen-rc"
          heroku_email: ${{ secrets.HEROKU_EMAIL }}
          branch: release-candidate

      - name: Write commit SHA to file
        run: echo $GITHUB_SHA > frontends/mit-open/build/static/hash.txt

      - name: Upload frontend build to s3
        uses: jakejarvis/s3-sync-action@master
        with:
          args: --acl public-read --follow-symlinks
        env:
          AWS_S3_BUCKET: ol-mitopen-app-storage-rc
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID_RC }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY_RC }}
          SOURCE_DIR: "frontends/mit-open/build" # optional: defaults to entire repository
          DEST_DIR: "frontend" # This dir will get cluttered but it is okay for now

      - name: Purge Fastly cache
        uses: jcoene/fastly-purge-action@master
        with:
          api_key: "${{ secrets.FASTLY_API_KEY_RC }}"
          service_id: "${{ secrets.FASTLY_SERVICE_ID_RC }}"

  # runs ONLY on a failure of the CI workflow
  on-failure:
    runs-on: ubuntu-latest
    if: >
      github.event_name == 'workflow_dispatch' ||
      github.event.workflow_run.conclusion == 'failure'
    steps:
      - run: echo 'The triggering workflow failed'