https://www.lucidchart.com/documents/view/11df6d57-a79b-4796-ad43-acc31093fadb

First: Drupal only

https://www.lucidchart.com/documents/view/da5b371c-d370-4ab4-9053-e2b8d9b1b479

Decoupled Drupal

https://www.lucidchart.com/documents/view/d4a213a3-dab1-4005-a81a-3c2b0732ffd3​

Caching Fun

https://www.lucidchart.com/documents/view/75d06295-d5c0-4848-9c8e-9a830c3160b4

• Reverse Proxy Caching at every level

Multi Decouple Drupal

• Single Drupal Backend
• Multiple Frontends (Monorepo)
• All using the same GraphQL API

Multi Decoupled Drupal

https://www.lucidchart.com/documents/view/548b12f2-a168-4503-93a0-32448b08fc75​

CI/CD

• Individual Environments for every
  • Branch
  • Pull Request
• Frontend can point to any Backend
  • PRs Targets
  • Customized
• TravisCI/CircleCI for Unit Tests, Behat, etc.
  • drupal-dev.io

Learnings

Persistent GraphQL

• Allow POST GraphQL queries in PR and DEV environments
• Ensure to have tests for them :)

Learnings

Complexity as a Service

• CDN functionality and possibilities not fully understood
• "Works in my PR"
• Make sure you have access to People and Resources of your external Services

Learnings

Crisis Communication is Key

• Dedicated communication engineer during incidents
• Chat & ChatOps helps tremendous
• Internal Statuspage for Stakeholders