gitlab ci for building and pushing react app to google cloud(gcloud) storage

.gitlab-ci.yml

image: nikolaik/python-nodejs:latest

before_script:
  # Install CA certs, openssl to https downloads, python for gcloud sdk
  - apt install -y make ca-certificates openssl python
  - update-ca-certificates
  # Download and install Google Cloud SDK
  - wget https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz
  - tar zxvf google-cloud-sdk.tar.gz && ./google-cloud-sdk/install.sh --usage-reporting=false --path-update=true
  - google-cloud-sdk/bin/gcloud --quiet components update
  - google-cloud-sdk/bin/gcloud auth activate-service-account --key-file $GCLOUD_SERVICE_KEY
  - google-cloud-sdk/bin/gcloud config set project lift-srilanka
  - npm i -g yarn
  - yarn

stages:
  - publish

cache:
  paths:
    - node_modules/

publish:
  stage: publish
  script:
    - CI=false yarn build
    - google-cloud-sdk/bin/gcloud app deploy
  only:
    - tags

seems this is better,

image: google/cloud-sdk:alpine

deploy_production:
  stage: deploy
  environment: Production
  only:
  - master
  script:
  - echo $SERVICE_ACCOUNT > /tmp/$CI_PIPELINE_ID.json
  - gcloud auth activate-service-account --key-file /tmp/$CI_PIPELINE_ID.json
  - gcloud --quiet --project $PROJECT_ID app deploy app.yaml dispatch.yaml

deploy_staging:
  stage: deploy
  environment: Staging
  only:
  - staging
  script:
  - echo $SERVICE_ACCOUNT > /tmp/$CI_PIPELINE_ID.json
  - gcloud auth activate-service-account --key-file /tmp/$CI_PIPELINE_ID.json
  - gcloud --quiet --project $PROJECT_ID app deploy staging-app.yaml

after_script:
- rm /tmp/$CI_PIPELINE_ID.json