Deploy React build with gitlab-ci

react.gitlab-ci.yml

image: node:10
 
cache:
  paths:
    - node_modules/
 
before_script:
  - apt-get update -qq && apt install -y openssh-client openssh-server
  - mkdir -p ~/.ssh     
  - echo -e "$SSH_PRIVATE_KEY" > ~/deploy.pem     
  - chmod 400 ~/deploy.pem     
  - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'

deploy_production:
  only:
    refs:
      - master
  stage: deploy
  environment: 
    name: production
  script:
    - npm install
    - REACT_APP_SERVER=production CI=true npm run build
    - scp -i ~/deploy.pem -r build/* $USER_NAME@$SERVER_IP:/var/www/html/provider
    
deploy_staging:
  only:
    refs:
      - staging
  stage: deploy
  environment: 
    name: staging
  script:
    - npm install
    - REACT_APP_SERVER=staging CI=false npm run build
    - scp -i ~/deploy.pem -r build/* $USER_NAME@$SERVER_IP:/var/www/html/staging-provider