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Launch you idea with Google App Engine.

Helps you understand Google App Engine's role in launching your idea.
by

Gurminder Singh

on 23 December 2012

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Transcript of Launch you idea with Google App Engine.

Launch your Idea - Google App Engine -Gurminder Singh "People wait for opportunity to come along...yet it is there every
morning."~ Dennis the Menace "The elevator to success is out of order. You'll have to use the stairs...
one step at a time."~ Joe Girard Initial steps
- Follow a lean startup method
- Test waters by launching a prototype
- Security
- Scalability
- Managing servers in case you become popular overnight - Infrastructure security low cost No maintainence scalability support Google App Engine What is GAE ? * Web app deployment platform * Uses Google's Infrastructure * Uses Python, Java and Go * Free to start * Perfect solution to apps
which can grow overnight * Strong community to help * Advanced tools like task queues
and scheduler available Catch
* Initial learning curve
* No SQL style database. (Uses Google's Big
table)
* Only Python, Java and Go language
* Skills make you stand out of crowd Basic Building Blocks of an App * Request handlers * Datastore * Services Request handlers * All HTTP GET, POST or static media request * Request handler must return response in 60 sec * Connection closes after response * No client state maintained, every time a new connection * Cannot be used for streaming applications Datastore * Stores data objects as 'entities'
* Entities are categorized as of 'kind'
* Entity uniquely identified by its 'key'
* Key is composed of 'kind + identifier'
* Entities of a kind are stored together in
distributed data storage Datastore * Entities with same kind differ in
property values

* Property values associated with entities
- Integers
- Floating point
- Strings
- Dates
- Binary data and more Services * Users service allows to use google accounts to
sign in application.
* URL fetch to communicate with other
resources on web
* Mail - App can send email on behalf of admins
and users with google account.
* XMPP service can be used for instant
messaging. app.yaml application: gaeseries
version: 1
runtime: python
api_version: 1

default_expiration: '365d'

handlers:
- url: /remote_api
script: $PYTHON_LIB/google/appengine/ext/remote_api/handler.py
login: admin case study http://url-info.appspot.com http://www.downornot.com/ http://tut-it.appspot.com DEMO To start * Download GAE sdk
* Follow hello world tutorial
* Python frameworks
- Django
- pylons
- Turbogears
- web2py Thank you! +Gurminder or sgurminder @ gmail
Full transcript