amplify.yml

version: 0.1
frontend:
  phases:
    preBuild:
      commands:
        - npm ci
    build:
      commands:
        - | 
          if [ "${AWS_BRANCH}" = "master" ]; then 
            npm run build:production; 
          else 
            npm run build:staging; 
          fi
  artifacts:
    baseDirectory: public
    files:
      - '**/*'
  cache:
    paths:
      - node_modules/**/*
  customHeaders:
    - pattern: "**/*"
      headers: # https://infosec.mozilla.org/guidelines/web_security
        - key: "Strict-Transport-Security"
          value: "max-age=31536000; includeSubDomains"
        - key: "X-Content-Type-Options"
          value: "nosniff"
        - key: "X-XSS-Protection"
          value: "1; mode=block"
        - key: "X-Frame-Options"
          value: "SAMEORIGIN"
        - key: "Referrer-Policy"
          value: "same-origin"
        - key: "Feature-Policy"
          value: "microphone 'none'; camera 'none'; notifications 'self'"