Skinny Framework for Scala developers. http://skinny-framework.org/

1. Skinny Framework
– Rapid Development in Scala –
@seratch
#m3dev

2. What’s Skinny?
- http://skinny-framework.org
- Under The MIT License
- “Scala on Rails” (actually Padrino style)
- Still only 6 months old, 186 stargazers
- 1.0.0 will be out this week!
- Routings, CRUD template,Validation DSL,
ActiveRecord-like ORM, DB Migration,Assets
compilers, Mail Sender and more

3. 6 Strong Points
1. Trouble-less Scala environment
2. Mostly Rails-like conventions
3. Simple but statically typed code
4. Servlet level performance
5. Suitable for replacing legacy systems
6. Windows users as first-class citizens

4. 1. Trouble-less Scala setup
- Scala setup may be difficult for beginners
- Scala versions (2.9, 2.10, …)
- sbt versions (0.11, 0.12, 0.13 …)
- Fix sbt plugin deps
- Be aware of JVM PermGen options!
- Other tools? cs? g8?
- Skinny requires only JDK, just unzip it

5. 2. Rails-like conventions
- Accessible for Rails users
- Recent other frameworks are also similar
- Less new/original concepts
- Coding style will be unified
- To avoid over engineering, KISS

6. 3. Simple but statically typed
- Looks simple but statically typed
- You can use IDE effectively
- Types are helpful when refactoring
- Types are helpful when reading code written by
other developers
- Compiler sometimes finds typo and bugs

7. 4. Servlet level performance
- Skinny app is a Scalatra app
- TechEmpower’s Benchmarks
- http://www.techempower.com/benchmarks/

8. 5. Replacing legacy systems
- Useful reverse-scaffold
- CoC but configurable
“Skinny Framework is
much powerful for
replacing in-house
legacy apps.”
- @Kuchitama

9. 6. Windows ready
- Skinny requires only JDK
- No native library deps unlike Rails
- CoffeeScript, LESS, React JSX and Scala.js
- Assets compilers run on the Rhino JS engine (We
may consider Nashorn?)
- Sass/Compass on the fly requires native compiler
(not limited to Skinny)

10. Weak Points
- Scala compilation is slow (use ./skinny ~compile
for auto reloading)
- Some helpful features are still absent (View
helper,Authentication module)
- Scalate errors may be kindless
- Eco-system has only begun
- Less name recognition over the world

11. Roadmap
- We keep working on version 1.1 (for Scala 2.11,
Scalatra 2.3 and others)
- We’re always seeking new contributors
- Should be useful not only for Scala enthusiasts
- ScalaMatsuri 2014: Martin Odersky (Scala creator)
will come to Japan in September!
- Enjoy Scala!