just-do-it/.github/workflows/firebase-ci-cd.yml at main · letsjoyn/just-do-it · GitHub

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# CI: validate on every PR / push to main
# CD: deploy Firebase Hosting on push to main (requires repo secret — see README)
#
# Note: GitHub does not allow `secrets.*` inside step `if:` expressions (parse error).
# We use a tiny job that maps the secret to a boolean job output, then `needs.*` in deploy `if:`.

name: Firebase CI / Hosting deploy

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: read

jobs:
  ci:
    name: Validate project
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Validate firebase.json
        run: python3 -c "import json; json.load(open('firebase.json'))"

      - name: Syntax-check desktop app
        run: python3 -m py_compile just_do_it.py

      - name: Setup Node (functions)
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: npm
          cache-dependency-path: functions/package-lock.json

      - name: Install & check Cloud Functions
        working-directory: functions
        run: |
          npm ci
          node --check index.js

  # secrets cannot be used in step `if:` — expose only true/false via job output
  gate-firebase-secret:
    name: Check Hosting deploy secret
    runs-on: ubuntu-latest
    outputs:
      deploy_ok: ${{ steps.check.outputs.deploy_ok }}
    steps:
      - id: check
        env:
          CREDS: ${{ secrets.FIREBASE_SERVICE_ACCOUNT_JSON }}
        run: |
          if [ -n "$CREDS" ]; then
            echo "deploy_ok=true" >> "$GITHUB_OUTPUT"
          else
            echo "deploy_ok=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Missing secret notice
        if: steps.check.outputs.deploy_ok == 'false'
        run: |
          echo "::notice::FIREBASE_SERVICE_ACCOUNT_JSON is not set — Hosting deploy job will be skipped."

  deploy-hosting:
    name: Deploy Firebase Hosting
    runs-on: ubuntu-latest
    needs: [ci, gate-firebase-secret]
    if: >-
      needs.gate-firebase-secret.outputs.deploy_ok == 'true' &&
      github.repository == 'letsjoyn/just-do-it' &&
      (github.event_name == 'workflow_dispatch' ||
       (github.event_name == 'push' && github.ref == 'refs/heads/main'))
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Deploy to Firebase Hosting
        uses: FirebaseExtended/action-hosting-deploy@v0
        with:
          repoToken: ${{ secrets.GITHUB_TOKEN }}
          firebaseServiceAccount: ${{ secrets.FIREBASE_SERVICE_ACCOUNT_JSON }}
          projectId: just-do-it-1fa38
          # Production; omitting uses preview channel deploy (fails: "channelID is currently required")
          channelId: live