Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Go At Work
Search
Bryan Liles
December 18, 2014
Programming
0
230
Go At Work
You know how to program Go. How do you program Go at work?
Bryan Liles
December 18, 2014
Tweet
Share
More Decks by Bryan Liles
See All by Bryan Liles
DevOps Days MSP 2017
bryanl
2
1.1k
Velocity 2017 SJ: Application Tracing
bryanl
2
360
Application Ops 1.0
bryanl
1
200
DevOoops Mastery
bryanl
0
72
The (Ruby) Sims
bryanl
1
140
How Vs Why
bryanl
0
130
ruby -pi -e.bak - Windy City Rails
bryanl
1
280
Arrrr Camp 2012: Simulating the World with Ruby
bryanl
2
510
Other Decks in Programming
See All in Programming
MDN Web Docs に日本語翻訳でコントリビュートしたくなる
ohmori_yusuke
1
130
レトロゲームから学ぶ通信技術の歴史
kimkim0106
0
110
型で語るカタ
irof
0
700
Porting a visionOS App to Android XR
akkeylab
0
680
20250704_教育事業におけるアジャイルなデータ基盤構築
hanon52_
5
1.1k
Model Pollution
hschwentner
1
160
AIと”コードの評価関数”を共有する / Share the "code evaluation function" with AI
euglena1215
1
180
ペアプロ × 生成AI 現場での実践と課題について / generative-ai-in-pair-programming
codmoninc
2
21k
GPUを計算資源として使おう!
primenumber
1
250
リバースエンジニアリング新時代へ! GhidraとClaude DesktopをMCPで繋ぐ/findy202507
tkmru
3
960
DMMを支える決済基盤の技術的負債にどう立ち向かうか / Addressing Technical Debt in Payment Infrastructure
yoshiyoshifujii
3
410
#QiitaBash MCPのセキュリティ
ryosukedtomita
1
1.5k
Featured
See All Featured
Designing for Performance
lara
610
69k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
30
2.2k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.7k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
126
53k
Scaling GitHub
holman
460
140k
Gamification - CAS2011
davidbonilla
81
5.4k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
138
34k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.7k
Raft: Consensus for Rubyists
vanstee
140
7k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
18
990
Transcript
digitalocean.com Go At Work
digitalocean.com Go At DigitalOcean
digitalocean.com Bryan Liles @bryanl @digitalocean
digitalocean.com Wow GO!
digitalocean.com
digitalocean.com Dependencies :|
digitalocean.com package main import "github.com/go-martini/martini" func main() { m :=
martini.Classic() m.Get("/", func() string { return "Hello world!" }) m.Run() }
digitalocean.com package main import ( "fmt" "net/http" "github.com/codegangsta/negroni" ) func
main() { mux := http.NewServeMux() mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) { fmt.Fprintf(w, "Hello world!") }) n := negroni.Classic() n.UseHandler(mux) n.Run(":3000") }
digitalocean.com package main import ( "fmt" "net/http" ) func handler(w
http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, "Hello world!") } func main() { http.HandleFunc("/", handler) http.ListenAndServe(":3000", nil) }
digitalocean.com package main import ( "fmt" "net/http" "github.com/gorilla/mux" ) func
main() { r := mux.NewRouter() r.HandleFunc("/", homeHandler) http.Handle("/", r) http.ListenAndServe(":3000", nil) } func homeHandler(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, "Hello world!") }
digitalocean.com “You wouldn’t go around picking stuff off the street
and eating it. Why do so with your dependencies?”
digitalocean.com Fancy Stuff Standard Lib
digitalocean.com Standard Lib Fancy Stuff
digitalocean.com Standard Lib Fancy Stuff
digitalocean.com Fancy Stuff Standard Lib
digitalocean.com Managing the GOPATH
digitalocean.com There’s more than one way to do it.
digitalocean.com single GOPATH
digitalocean.com GOPATH for each project
digitalocean.com Dependency manager
digitalocean.com Go @digitalocean
digitalocean.com single GOPATH
digitalocean.com a DOGE
digitalocean.com vendor repos import "bits.do.co/vendor/cli"
digitalocean.com Beyond gofmt
digitalocean.com Sometimes the default sorting of your imports just doesn’t
satisfy…
digitalocean.com import ( "database/sql" "doge/log" "doge/notify" "fmt" "os" "services/migration" "time"
_ "github.com/go-sql-driver/mysql" "github.com/ianschenck/envflag" )
digitalocean.com import ( "database/sql" "fmt" "os" "time" "doge/log" "doge/notify" "services/migration"
_ "github.com/go-sql-driver/mysql" "github.com/ianschenck/envflag" )
digitalocean.com http://golang.org/pkg/go/parser/ (and friends)
digitalocean.com Test the GO
digitalocean.com You are writing tests, right?
digitalocean.com func TestSquare(t *testing.T) { expected := 25 got :=
square(5) if got != expected { t.Errorf("expected %d, got %d", expected, got) } }
digitalocean.com undefined: square
digitalocean.com func square(x int) int { return 0 }
digitalocean.com --- FAIL: TestSquare (0.00 seconds) square_test.go:14: expected 25, got
0 FAIL
digitalocean.com func square(x int) int { return 25 }
digitalocean.com $ go test . ok _/Users/bryan/gothamgo2014 0.005s
digitalocean.com func TestSquare0(t *testing.T) { expected := 0 got :=
square(0) if got != expected { t.Errorf("expected %d, got %d", expected, got) } }
digitalocean.com --- FAIL: TestSquare0 (0.00 seconds) square_test.go:23: expected 0, got
25 FAIL
digitalocean.com func square(x int) int { return x * x
}
digitalocean.com go test . ok _/Users/bryan/gothamgo2014 0.006s
digitalocean.com func TestSquare(t *testing.T) { cases := []struct { arg
int expected int }{ {5, 25}, {0, 0}, {-1, 1}, } for i, c := range cases { got := square(c.arg) if got != c.expected { t.Errorf("case %d: expected %d, got %d", i, c.expected, got) } } }
digitalocean.com looper https://github.com/nathany/looper
digitalocean.com
digitalocean.com GoConvey http://goconvey.co/
digitalocean.com
digitalocean.com • 10 things you (probably) don't know about Go
• Testing Techniques
digitalocean.com Code Reviews
digitalocean.com https://code.google.com/p/go-wiki/wiki/CodeReviewComments Start here
digitalocean.com WHY > HOW
digitalocean.com Continuous Integration
digitalocean.com Drone CI
digitalocean.com We ❤️ Artifacts
digitalocean.com Deploying GO
digitalocean.com Little Deploys = ansible
digitalocean.com Big Deploys = Chef
digitalocean.com
digitalocean.com The End.