Slides used in a talk presented by me in last Floripa-Gophers meeting. Describing the good parts and how to start developing using Golang

1. Go
The Power Of
Simplicity

2. $ whoami
Software engineer with over 11 years of
experience in web development.
eduardonunesp@gmail.com
• Gamer from the golden age of NES and Master System.
• Node.JS / Python / Go developer
• Addicted to Metroid series
• Addicted to Technology and Cloud Computing

3. Floripa Gophers
http://www.meetup.com/pt/Floripa-Gophers/
https://medium.com/floripa-gophers

4. History
• Robert Griesemer - Initial design, also worked on V8
• Rob Pike - Bell labs, Unix team, Plan 9
• Ken Thompson - Bell labs, B lang., Plan 9, UTF-8
• Born 2007
• Launched 2009

5. • System Language
• Cloud Language ? (maybe)
• Garbage Collection

6. Simple

7. • Small
• Readable
• Consistent
• Predictable
• Robust
• Useful

8. Go at a glance

9. • Compiled
• Statically typed
• Simple type
• Concurrency
• Rich Standard Library
• Good Tooling
• Open Source

10. • Package Management
• Statically Linked
• Code Style
• Enforced rules

11. Hello World

12. Goroutines
Goroutines are lightweight threads that are
managed by the Go runtime. Just use the “go"
statement to enjoy.

13. Channels
Channels are a typed conduit through which you
can send and receive values with the channel
operator, <-. Like a pipe.

14. Sync
The sync package provides mutexes, condition
variables and more useful primitives

15. Time
The time packages provides Time and Duration
types, for expressing instants in time and periods
of time

16. net/http
Provides HTTP client and server functionalities
with all HTTP cool features, High Performance,
Dos-hardened to a production-ready web server.

17. SSLB (Load Balancer)
the entry point
https://github.com/eduardonunesp/sslb

18. Some notable
applications in Go

19. • Docker
• Juju
• Kubernetes
• ETCD
• InfluxDB

20. Companies currently using
Go throughout the world

21. • NIC.br
• Globo
• Hotel Urbano
• Resultados Digitais
• Neoway
• Metatri

22. • Google
• Dropbox
• Sound Cloud
• CoreOS
• Couchbase
• SendGrid

23. Some resources

24. • https://github.com/golang/go/wiki/Learn
• https://github.com/avelino/awesome-go
• https://gobyexample.com/
• https://golang.org/doc/faq

25. Maybe,
I didn’t talk about

26. • Types Interface
• Concurrency in depth
• Build system
• Debugging
• Documentation

27. Thank You :D
github.com/eduardonunesp