Building integrated apps on Google cloud platform.pdf

Andrew Gerrand Building integrated apps on Googles cloud platform (with Go) About me Name Andrew Gerrand adg@ Occupation Go programmer Developer Advocate Google Sydney Google+ Twitter @go_nuts / @enneff Outline of this talk ● Meet the platform ○ App Engine ■ The new Go runtime ■ Channel API ■ Task Queue API ■ Backends ○ Google Cloud Storage ● Each technology demonstrated in the context of an example program. What is App Engine? ● Platform as a Service ● Build web services on Googles infrastructure ● Let developers be developers, not sysadmins ● Forget about maintaining your own machines - we hold the pager so you dont have to ● Pay only for what you use App Engine services ● Datastore - structured, indexed data store ● Blobstore - unstructured key/value store ● Channel - push data from the server to the browser ● Task Queues - process jobs asynchronously ● Backends - long-running processes ● and many more! App Engine history The Go App Engine runtime ● Launched to Trusted Testers at Google I/O 2011 ● Generally available in July 2011 ● Near feature parity with Python and Java SDKs What is Go? ● Go is a modern, general-purpose language ● Compiles to native machine code ● Statically typed ● Lightweight syntax ● Simple type system ● Concurrency primitives ● Cool mascot (the gopher) ● A canonical language at Google Hello, App Engine! package hello import ( fmt http ) func init() { http.HandleFunc(/, handler) } func handler(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, Hello, world!) } Why use the Go runtime? ● Better performance for CPU-bound tasks* ● Lower memory footprint* ● Faster start-up time ● A simpler language ● And I think it