Learn Go by project: Souin
Sylvain Combraque
Creator of Souin cache system
Træfik helper
Open-source contributor
@Darkweak
@Darkweak_dev
Let's
Golang history
Developed by Google
Started on 2003
Opensourced on 2009
Keith Clark et Francis McCabe
Written in C
Advantages
One binary file output
Build cross-platform
Easy learning curve
Not tricky language
Multithreading
Concurrency
Written in Golang
For the web
My history with Golang
Traefik
Emile Vauge
Written in GO
Easy to use
French Quality
Where is the cache ?
github.com/Darkweak/Souin
Golang is normalized
$GOPATH
/bin
/pkg
/src
| /bin | Contains fully compiled Go softwares based on pkg objects |
| /pkg | contains Go package objects compiled from src directory Go source code packages |
| /src | Contains readable development sources including dependencies |
$GOROOT
Golang SDK
$GOOS
- aix
- android
- darwin
- dragonfly
- freebsd
- hurd
- illumos
- js
- linux
- netbsd
- openbsd
- plan9
- solaris
- windows
- zos
$GOARCH
- 386
- amd64
- arm
- armbe
- arm64
- arm64be
- ppc64
- ppc64le
- mips
- mipsle
- mips64
- mips64le
- mips64p32
- mips64p32le
-
ppc
- riscv
- riscv64
- s390
- s390x
- sparc
- sparc64
- wasm
Live demo
https://github.com/Darkweak/golang-starter
First Hello World
Typing and variables
Functions and returns
Goroutines
A goroutine is a lightweight thread of execution.
Go will run both at same time, then your main thread will continue the main script in parallel without taking care of second thread
Channels
Testing
More explicit example ?
Usefull tools
Usefull tools
Testing
Linter
- golint
- govet
- go test
- go tool
Usefull tools
Testing
Linter
- golint
- go vet
- go test
- go tool
Usefull tools
Testing
Linter
- golint
- govet
- go test
- go tool
// Run all tests
go test -v ./...
// Run all tests and generate a cover
// reporting
go test ./... -coverprofile cover.out
// Show coverage percentage
go tool cover -func cover.out// Lint all application
golint ./...
// Examine Go source code and
// reports suspicious constructs
go vet ./...Usefull commands
goimports
gofmt
gobuild
go list
go run
go fix
go test
go clean
Usefull links
https://golang.org
https://gobyexample.com
http://golang-challenge.org
https://www.codewars.com
https://blog.golang.org
https://github.com/avelino/awesome-go
https://play.golang.org
Another cool side-projects
Smersh
souin-prestashop
Souin as prestashop module
Open-source pentest oriented platform to help pentester to get enhancement
github.com/CMEPW/Smersh
souin-wordpress
Souin as wordpress plugin
github.com/lucmichalski/prestashop-souin
github.com/darkweak/wordpress-souin
Thank you for your attention
Learn Golang by project
By darkweak
