Go Revel Gooo...
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It will be a presentation about relatively new programming language from “google go” (http://golang.org/). We will also talk about web framework and Revel (http://revel.github.io/), and additionally I’ll tell you why do you need to choose “go” and not “node.js”.
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Go Revel Gooo...
- 1. Go Revel Gooo.. dovchar 2014
- 2. ✦ 8 years in IT ✦ 4 years in SoftServe ✦ 1.6 years Application Architect ✦ Main language: Javascript ✦ Hobby language: Go ✦ Pacemaker conference ✦ Script’n’Code meet-up ✦ Open source (typescript grails, clio go, sonar qunit, kojak, jspro) About me dovchar itweekend 2014
- 3. ✦ I love my project :) ✦ Technology stack / toolset ✦ Cloud Infrastructure ✦ Monitoring ✦ Choose another lang/framework ✦ GO lang ✦ Performance/Memory/Concurrency ✦ Revel ✦ Questions Agenda dovchar itweekend 2014
- 4. ✦ Medical Start-up ✦ Connects Patients and Providers ✦ 5 people ✦ 9 months development (super part time :) ✦ Budget: 235$ ✦ SaaS ✦ Public cloud ✦ Single page application (SPA) About Project dovchar itweekend 2014
- 5. dovchar itweekend 2014 Tech Stack
- 6. dovchar itweekend 2014 Cloud
- 7. dovchar itweekend 2014 Monitoring
- 8. dovchar itweekend 2014 Node.js you were my favorite toy…
- 9. dovchar itweekend 2014 Brainstorming
- 10. Go lang dovchar itweekend 2014 «Go, also commonly referred to as golang, is a programming language initially developed at Google in 2007 by Robert Griesemer, Rob Pike, and Ken Thompson. It is a statically-typed language with syntax loosely derived from that of C, adding garbage collection, type safety, some dynamic-typing capabilities, additional built-in types such as variable-length arrays and key-value maps, and a large standard library.» Wikipedia
- 11. Performance dovchar itweekend 2014 You can find benchmarks comparing Go to a bunch of other languages at the Computer Language Benchmarks Game site
- 12. Memory dovchar itweekend 2014 Go doesn't have a virtual machine or interpreter to load up, so it starts fast and small. Right now, our production servers are running at ~400 MB. A few months in, we've never had a memory leak or problems related to memory.
- 13. dovchar itweekend 2014 Concurrency is a huge part of Go with some high level constructs that make it a breeze to use. Go has goroutines for concurrent operations and channels for communicating between them. Concurrency
- 14. dovchar itweekend 2014 Reliability in a language is kind of hard to quantify. We had a problem only with go-socket.io package. Reliability
- 15. dovchar itweekend 2014 Go compiles into a single, static binary file so deployment is simply putting the file on a server and starting it up. No dependencies required. No runtime required (you don't need to install Go on the server). And it's small. Deployment
- 16. dovchar itweekend 2014 Tech Stack
- 17. Revel dovchar itweekend 2014 Revel enables you to get going really quickly, it has nice defaults put in place that enable rapid development, and high productivity; as advertised on the project page. Is known for its flexibility in live environment, like code reloading and such. What is Revel?
- 18. Features dovchar itweekend 2014 ✦ Hot Code Reload: Edit, save, and refresh. Revel compiles your code and templates for you, so you don't miss a beat. ✦ Comprehensive: Revel provides routing, parameter parsing, validation, session/flash, templating, caching, job running, a testing framework, and even internationalization. ✦ High Performance: Revel builds on top of the Go HTTP server, which was recently benchmarked to serve three to ten times as many requests as Rails across a variety of loads. ✦ Synchronous: The Go HTTP server runs each request in its own goroutine. Write simple callback-free code without guilt. ✦ Stateless: Revel provides primitives that keep the web tier stateless for predictable scaling. For example, session data is stored in the user cookie, and the cache is backed by a memcached cluster. ✦ Modular: Revel is built around composable middleware called filters, which implement nearly all request-processing functionality. Developers have the freedom to replace the default filters with custom implementations (e.g. a custom router).
- 19. Get Started dovchar itweekend 2014 install go set up your GOPATH and GOROOT install git and hg get Revel Build the Revel command line tool
- 20. dovchar itweekend 2014 Get Started
- 21. dovchar itweekend 2014 Get Started
- 22. dovchar itweekend 2014 Get Started
- 23. dovchar itweekend 2014 Get Started
- 24. dovchar itweekend 2014 New Started
- 25. dovchar itweekend 2014 New Started
- 26. dovchar itweekend 2014 Router
- 27. dovchar itweekend 2014 Controller
- 28. dovchar itweekend 2014 Service
- 29. dovchar itweekend 2014 Model
- 30. dovchar itweekend 2014 Init
- 31. dovchar itweekend 2014 Socket.io
- 32. dovchar itweekend 2014 Handler
- 33. Conclusion dovchar itweekend 2014
- 34. Links dovchar itweekend 2014 ✦ node.js ✦ sonarqube ✦ grunt, bower, yeoman, gulp ✦ pacemaker, script’n’code ✦ sails.js, revel ✦ mongo, mgo ✦ newrelic, digitalocean, aws Facebook Twitter Linkedin Gmail
- 35. Questions? dovchar itweekend 2014