Web Development with Golang

A basic primer on developing a web service with Go.
For OpenWest 2015.

Transcript

1. WEB DEVELOPMENT WITH GOLANG GET YER GOPHERS GOING GIGGLY QUICK Presented on May 7th, 2015 at by . OpenWest Conference Joshua Gardner
2. GO [GOLANG] IS GREAT Statically typed but with a duck-typed feel. Clear and consistent style and practices. Familiar syntax. Compiled binaries for easy deployment.
3. PLUS THE GOPHER
4. WHAT YOU'LL NEED TODAY: Computer with Golang 1.4 installed. An editor. Some knowledge of Go language (this is not an Intro to Go course). Some kind of browser (curl will do).
5. QUICK START DOCKER d o c k e r r u n ­ i t g o l a n g / b i n / b a s h TRY-IT SERVER s s h g o @ 1 0 7 . 1 7 0 . 2 5 3 . 2 0 3
6. THE N E T / H T T P PACKAGE Provides basic building blocks needed to write web client and server programs.
7. A WEB SERVER “HELLO WORLD” p a c k a g e m a i n i m p o r t ( " n e t / h t t p " ) t y p e H e l l o W o r l d H a n d l e r s t r u c t { } f u n c ( h * H e l l o W o r l d H a n d l e r ) S e r v e H T T P ( w h t t p . R e s p o n s e W r i t e r , r * h t t p . R e q u e s t ) { w . W r i t e ( [ ] b y t e ( " H e l l o , W o r l d ! \ n " ) ) } f u n c m a i n ( ) { h t t p . L i s t e n A n d S e r v e ( " : 3 0 0 0 " , n e w ( H e l l o W o r l d H a n d l e r ) ) }
8. Write this file, then run: g o r u n h e l l o w o r l d . g o Then using curl, access this web server: c u r l h t t p : / / l o c a l h o s t : 3 0 0 0 /
9. JUST THE FOUNDATION There are many Golang web frameworks built on this basic Handler interface. net/http gorilla martini negroni gocraft/web Revel Beego
10. MORE DETAILED EXAMPLE FEATURING G O C R A F T / W E B http://git.io/ow15go
14. MORE PACKAGES TO USE encoding/json html/template gorilla (all of it is great) golang.org/x/net/websocket bitly/go-nosq codegangsta/negroni
15. IN CONCLUSION… Go provides a powerful and flexible interface for web development. Start making your web services faster and more robust with Go today!