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Hands on App Engine
App Engine is Google's fully managed platform as a service that allows developers to build and run applications on Google's infrastructure. It provides several services including Cloud Datastore for scalable storage, Cloud SQL for relational databases, Cloud Storage for file storage, and Task Queues for background processing. Developers can build and deploy applications using App Engine's SDKs and APIs, and App Engine automatically scales applications up and down as traffic levels change.
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Hands on App Engine
- 1. Hands on AppEngine GCPUG.TW / Simon Su
- 2. What is App Engine? Anintegrated software architecture and full managed by google~ Cloud Datastore Cloud SQL Cloud Storage Runtime Cloud Endpoints Task Queues
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- 4. App Engine Architecture ClosestGoogle Data Center Edge Cache Google Frontend App Engine Data Center App Master (App Engine Management Layer) Static Servers App Engine Frontend App Servers Application Instances Application Instances Application Instances Google’s Fiber ISP Memcache GAE User Datastore Task Queues GAE Scheduled Tasks GAE Search API GAE Logs API GAE
- 5. Cloud Console Manage yourAppEngine Resources
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- 7. Hello World! Create yourfirst project
- 8. Run use CLIlocally Using “gcloud preview app” # cd $your-project # gcloud preview app run ./app.yaml
- 9. Datastore Unlimited store withtransaction support and high replicate class Employee(db.Model): name = db.StringProperty(required=True) hire_date = db.DateProperty() e = Employee(name="Antonio Salieri") e.hire_date = datetime.datetime.now().date() e_key = e.put() scalable and reliable storage query transactions Bigtable Megastore Datastore
- 10. Memcache from google.appengine.apiimport memcache ... value = memcache.get(key) if value is None: value = get_value_from_db(key) if not memcache.add(key, value): logging.error('Memcache add failed.') ... Improve Application Performance Reduce Application Cost
- 11. Task Queue Task Queue WebRequests Worker /process_form?status=processed&form_data=... Ancillary Services External APIs Task Queue queue: - name: push-queue-1 rate: 1/s - name: pull-queue-1 mode: pull queue = taskqueue.Queue("Qname") task = taskqueue.Task(...) queue.add(task)
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- 13. Deploy to Production $gcloud preview app deploy ./app.yaml --set-default --version demo
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