Idea: GitLab CI/CD template for Google Firebase

Google Firebase is a BaaS (backend as a service) provider used by a lot of teams to deploy mobile apps. We should have a CI/CD template that helps folks deploy to Firebase.

Details

Learn more about using firebase with CI systems here: https://firebase.google.com/docs/cli#cli-ci-systems

Example

default:
  image: node:12-alpine3.11
  cache:
    paths:
    - node_modules/
    - functions/node_modules/
stages:
- prepare
- build
- test
- stage
- deploy
- test
workflow:
  rules:
  - if: "$CI_MERGE_REQUEST_IID"
  - if: "$CI_COMMIT_TAG"
  - if: "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH"
  - if: $CI_PIPELINE_SOURCE == "schedule"
    when: never
build-web:
  stage: build
  script:
  - yarn
  - yarn build
  artifacts:
    paths:
    - dist/
    expire_in: 1 year
build-fns:
  stage: build
  script:
  - cd functions
  - npm i
  - npm run build
  artifacts:
    paths:
    - functions/lib
    expire_in: 1 year
deploy-prod:
  stage: deploy
  script:
  - cd functions
  - npm i
  - cd ..
  - npm install -g firebase-tools
  - echo $FIREBASE_TOKEN
  - firebase use default
  - firebase deploy --token "$FIREBASE_TOKEN"
  rules:
  - if: "$CI_COMMIT_TAG"
backup-firestore:
  image: google/cloud-sdk:latest
  stage: build
  script:
  - echo $GCP_SA_KEY | base64 -d > google-creds.json
  - gcloud auth activate-service-account --key-file=google-creds.json
  - gcloud info
  - gcloud config set project $GCP_PROJECT_ID
  - gcloud firestore export $GCP_BUCKET
  rules:
  - if: $CI_PIPELINE_SOURCE == "schedule"
sast:
  stage: test
include:
- template: Security/SAST.gitlab-ci.yml