GCP App Engine Flexible


### `app.yaml`
more requirements for flexible
- minimal disk size is 10gb to 10240GB


### default
```typeruntime: nodejsenv: flexmanual_scaling:  instances: 1resources:  cpu: 1  memory_gb: 0.5  disk_size_gb: 1```


### complex
```typeruntime: nodejsenv: flexenv_variables:  GA_TRACKING_ID: UA-97880882-3manual_scaling:  instances: 1resources:  cpu: 1  memory_gb: 4  disk_size_gb: 10endpoints_api_service:  name: nth-rarity-204509.du.r.appspot.com  rollout_strategy: managedreadiness_check:  app_start_timeout_sec: 1000```


> [NextJS on GAE - Error: EROFS: read-only file system](https://stackoverflow.com/questions/60931998/nextjs-on-gae-error-erofs-read-only-file-system)

> [Quickstart for Node.js in the App Engine Flexible Environment](https://cloud.google.com/appengine/docs/flexible/nodejs/quickstart)





