see description

1. Building Web Apps in Ratpack
Daniel Woods
October 2013

2. About Me
@danveloper
#editor
/danveloper
daniel.p.woods

3. Welcome to Ratpack
• Inspired by Ruby’s Sinatra Framework
• Built on Netty
• Written in Java, Optimized for Groovy
• Also, Java 7 & Java 8
• Totally unopinionated framework
• Optional Google Guice integration
• Optional Gradle integration
• Rapid development with SpringLoaded

4. When to use Ratpack?
• Micro-services
• Supporting Single-Page Applications
• High-throughput apps
• Lightweight apps
• No Container!
• Cloud Deployments
• Simple packaging strategy
• Mock Services in Test?

5. Quick Intro to Ratpack
• Runnable from a Groovy script!

6. Quick Intro to Ratpack
• Simple Groovy DSL for Handler chain

7. Quick Intro to Ratpack
• Support for prefixed endpoints

8. Quick Intro to Ratpack
• Handling content-type

9. More Complex Needs…
• Gradle

10. More Complex Needs…
• Dependency Injection

11. More Complex Needs…
• Modules

12. Getting all Dynamic…
• Templates

13. Getting all Dynamic…
• Templates

14. Getting all Dynamic…
• Handlebars Template Support!

15. Accessing Parameters
• request.queryParams

16. Accessing Parameters
• context.pathTokens

17. Modularizing Handlers
• MongoDBAssetHandler example

18. Building Ratpack
• gradle installApp

19. Packaging Ratpack
• gradle distZip

20. Deploying Ratpack
• Heroku
• Step 0 – Add the Gradle Wrapper to your Project

21. Deploying Ratpack
• Heroku
• Step 0.1 – Add a settings.gradle file to your Project
• Setting the rootProject.name = ‘demo’ will allow the buildpack to
work properly.

22. Deploying Ratpack
• Heroku
• Step 1 – Authenticate on Terminal

23. Deploying Ratpack
• Heroku
• Step 2 – Create your app with Heroku

24. Deploying Ratpack
• Heroku
• Step 3 – Configure the buildpack

25. Deploying Ratpack
• Heroku
• Step 4.0 – git init (if you haven’t already)
• Step 4.1 – add Heroku app’s remote git endpoint
• Step 4.2 – git push -u heroku master

26. Deploying Ratpack
• Heroku
• Step 5 – Visit App

27. Deploying Ratpack
• Heroku
• Step 5 – Visit App

28. Testing Ratpack Apps
Jeff Beck
@beckje01

29. Ratpack Resources
• The Ratpack Manual
• http://www.ratpack-framework.org/manual/current/
• Ratpack GitHub (Samples, etc)
• https://github.com/ratpack
• Continuous Integration
• http://drone.io
• ??? (tweet me!)
• Tomas Lin, Cloud Foundry deployment
•
http://fbflex.wordpress.com/2013/08/07/ratpack-to-cloudfoundry-with-java-buildpack/

30. The End