Quarkus in 5 minutes

Transcript

1. 2019年 5⽉ 28⽇
   須江 信洋 (@nobusue)
   5分で理解するQuarkus
   1
   Red Hat Tech Night 2019.05
   

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2. 2
   https://quarkus.io/
   

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3. Quarks is 何?
   3
   Java
   Code
   Build
   (optimized
   / live reload)
   Native Build
   Java
   Binary
   Native
   Binary
   JavaVM
   (Containerized)
   For Development
   For Production
   • JVM-less
   • 100x boot speed
   • 1/10 memory
   Quarkus入門
   http://n-agetsuma.hatenablog.com/entry/2019/05/22/202713
   =>おそらく2019/5/28時点で最も詳しい解説
   

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4. Developer Joy: Live Reload by Dev Mode
   4
   2019-05-27 18:27:16,898 INFO [io.qua.dev] (executor-thread-1) Changed source files
   detected, recompiling [/Users/nobusue/redhat/quarkus-tutorial/work/my-quarkus-
   project/src/main/java/org/acme/quarkus/sample/HelloResource.java]
   2019-05-27 18:27:17,861 INFO [io.quarkus] (executor-thread-1) Quarkus stopped in 0.004s
   2019-05-27 18:27:17,862 INFO [io.qua.dep.QuarkusAugmentor] (executor-thread-1) Beginning
   quarkus augmentation
   2019-05-27 18:27:18,193 INFO [io.qua.dep.QuarkusAugmentor] (executor-thread-1) Quarkus
   augmentation completed in 331ms
   2019-05-27 18:27:18,240 INFO [io.quarkus] (executor-thread-1) Quarkus 0.15.0 started in
   0.378s. Listening on: http://[::]:8080
   2019-05-27 18:27:18,240 INFO [io.quarkus] (executor-thread-1) Installed features: [cdi,
   resteasy]
   2019-05-27 18:27:18,241 INFO [io.qua.dev] (executor-thread-1) Hot replace total time:
   1.344s
   

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5. 5
   DEMO
   

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6. 注意点
   6
   1) なんでもかんでもQuarkusでビルドできるわけではない
   =>Extensionでの対応が必要
   2) ネィティブビルドにはGraalVMが必要
   =>Quarkus0.15.0 の場合、GraalVM 1.0RC16が必要
   3) JDKのバージョンに注意
   =>JDK8以上が必要だが、2019/5/28現在はJDK12では動かない
   

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7. Quarkusに⼊⾨するには
   7
   1) なにはともあれGetting Started
   https://quarkus.io/get-started/
   2) Extensionを使ってみよう!
   https://quarkus.io/extensions/
   3) 気になるExtensionのソースを読んでみよう!
   https://github.com/quarkusio/quarkus/tree/master/extensions
   4) Extensionを作ってみよう!
   https://quarkus.io/guides/extension-authors-guide
   

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8. Quarkus Tutorial by Kamesh Sampath & Edson Yanaga
   8
   https://github.com/redhat-developer-demos/quarkus-tutorial
   We need
   feedback!!
   

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9. linkedin.com/company/red-hat
   youtube.com/user/RedHatVideos
   facebook.com/redhatinc
   twitter.com/RedHat
   Red Hat is the world’s leading provider of enterprise
   open source software solutions. Award-winning
   support, training, and consulting services make Red Hat
   a trusted adviser to the Fortune 500.
   Thank you
   Red Hat Tech Night 2019.05
   

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