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Sean Sulliva n April 13, 202 1 Portland Java User Group Guardrai l State of the Union
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Introductio n What’s ne w Artisan qualit y 2021 Roadmap
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Guardrai l is a code generation tool
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Guardrail OpenAPI Java Scala
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generated code OpenAPI
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January 2017
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First public release : September 2017
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First blog post: March 2018
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Guardrail is opinionated
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API First development
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Strongly typed code
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Make illegal states unrepresentable
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Leverage th e type system t o ensure correctness
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Embrac e referential transparency
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Favor immutability
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Generate idiomatic code
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What’s New?
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https://github.com/guardrail-dev New GitHub org
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sbt plugi n Maven plugi n Gradle plugin
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Java collection s VAVR collections
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VAVR support
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com.twilio guardrail-maven-plugin_2.12 0.62.2 … java-vavr jackson dropwizard async-http-client … VAVR pom.xml
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Dropwizar d Spring MVC
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Spring
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Sample apps
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Artisan quality
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Continuous integration
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Travis CI GitHu b Actions
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Which version of Java?
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JDK 8 JDK 1 1 JDK 13 JDK 1 4 JDK 1 5 JDK 16
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Build matrix
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Publish to Maven Central
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ScalaTes t ScalaChec k Scoverage Testing, Testing, Testing
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EqualsVeri fi e r sbt-tes t maven-invoker-plugin Testing, Testing, Testing
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maven-invoker-plugin Integration tests
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Roadmap
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OpenAPI 3. 1 Dropwizard 2. x Scala 3.0
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Final thoughts
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Guardrail is awesom e API First developmen t Code generation is a force multiplier
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Contribute to guardrail !
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Questions?
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The End