sureshg / kotlin-mpp-playground

Kotlin Multiplatform playground!

Kotlin Multiplatform Playground!

This repo shows a Gradle multi-project build structure that uses the Kotlin Multiplatform to build a JVM, JS, Desktop and Compose Web (wasm) applications.

Install OpenJDK EA Build

# Mac OS
$ curl -s "https://get.sdkman.io" | bash
$ sdk i java 23.ea-open
$ sdk u java 23.ea-open

Build & Run

$ ./gradlew buildAndPublish

Run Modules

# Kotlin JVM
$ ./gradlew :shared:run
$ ./gradlew :backend:jvm:run
$ docker run \
        -it \
        --rm \
        --pull always \
        --workdir /app \
        --publish 8080:8080 \
        --publish 8081:8081 \
        --name kotlin-mpp-playground \
        --mount type=bind,source=$(pwd),destination=/app,readonly \
        openjdk:23-slim /bin/bash -c "printenv && nohup jwebserver -b 0.0.0.0 -p 8081 -d / & backend/jvm/build/libs/jvm-app"

$ ./gradlew :backend:jvm:jibDockerBuild
$ docker run -it --rm --name jvm-app -p 8080:8080 -p 9898:9898 sureshg/jvm
$ docker stats

# Run container tests
$ ./gradlew :backend:jvm:test -PktorTest
$ ./gradlew :backend:jvm:jvmRun -DmainClass=dev.suresh.lang.SysCallKt --quiet

# Run with AppCDS
$ java -Xlog:class+load:file=/tmp/cds.log:uptime,level,tags,pid \
       -XX:+AutoCreateSharedArchive \
       -XX:SharedArchiveFile=/tmp/app.jsa \
       -jar backend/jvm/build/libs/jvm-app.jar

# cds-log-parser.jar --logFile=/tmp/cds.log

# Kotlin JS
$ ./gradlew :web:js:jsBrowserProductionRun -t
$ ./gradlew kotlinUpgradePackageLock

# Kotlin Native
# -------------
$ ./gradlew :backend:native:build
# Arch specific binaries
$ ./gradlew :backend:native:macosArm64Binaries
$ ./gradlew :backend:native:macosX64Binaries
$ ./gradlew :backend:native:macOsUniversalBinary
# Native container image
$ ./gradlew :backend:native:jibDockerBuild
$ docker run -it --rm --name native-app sureshg/native

# Test linux binary on ARM64 MacOS
$ ./gradlew :backend:native:linuxArm64Binaries
$ docker run  \
        -it \
        --rm \
        --publish 8080:80 \
        --mount type=bind,source=$(pwd),destination=/app,readonly \
        debian:stable-slim
  # /app/backend/native/build/bin/linuxArm64/releaseExecutable/native.kexe
  # libtree -v /app/backend/native/build/bin/linuxArm64/releaseExecutable/native.kexe


# Kobweb
# ------
$ kobweb run -p compose/web
$ ./gradlew :compose:web:kobwebStart -t
$ ./gradlew :compose:web:kobwebStop

# Compose Desktop
$ ./gradlew :compose:desktop:runDistributable
$ ./gradlew :compose:desktop:packageDistributionForCurrentOS
$ ./gradlew :compose:desktop:suggestModules

# Publishing
$ ./gradlew publishAllPublicationsToLocalRepository

# Benchmark
$ ./gradlew :benchmark:benchmark

# KMP hierarchy, Dependencies
$ ./gradlew :shared:printHierarchy
$ ./gradlew :backend:jvm:listResolvedArtifacts
$ ./gradlew createModuleGraph
$ ./gradlew generateChangelog

# Clean
$ ./gradlew cleanAll

# Gradle Daemon Toolchain
$ ./gradlew updateDaemonJvm

# Gradle Best Practices
$ ./gradlew -p gradle/build-logic :bestPracticesBaseline
$ ./gradlew checkBuildLogicBestPractices
$ ./gradlew dependencies

# GitHub Actions lint
$ actionlint

Deployed App and Docs

• Web App
• Docs
• Coverage
• Tests

Resources

• 🔍 Kotlin Multiplatform Package Search
• 🎨 Kotlin Multiplatform Wizard
• 📏 Jetbrains Compose Rules

Module Dependency

%%{
  init: {
    'theme': 'neutral'
  }
}%%

graph LR
  subgraph :backend
    :backend:native["native"]
    :backend:data["data"]
    :backend:profiling["profiling"]
    :backend:jvm["jvm"]
    :backend:security["security"]
  end
  subgraph :compose
    :compose:desktop["desktop"]
    :compose:web["web"]
  end
  subgraph :dep-mgmt
    :dep-mgmt:bom["bom"]
    :dep-mgmt:catalog["catalog"]
  end
  subgraph :meta
    :meta:compiler["compiler"]
    :meta:ksp["ksp"]
  end
  subgraph :meta:compiler
    :meta:compiler:plugin["plugin"]
  end
  subgraph :meta:ksp
    :meta:ksp:processor["processor"]
  end
  subgraph :web
    :web:js["js"]
    :web:wasm["wasm"]
  end
  :web:js --> :shared
  :benchmark --> :shared
  :backend:native --> :shared
  :web:wasm --> :shared
  :compose:desktop --> :shared
  :meta:compiler:plugin --> :shared
  :meta:ksp:processor --> :shared
  :backend:data --> :shared
  :backend:profiling --> :shared
  :compose:web --> :shared
  : --> :backend
  : --> :benchmark
  : --> :compose
  : --> :meta
  : --> :shared
  : --> :web
  : --> :backend:data
  : --> :backend:jvm
  : --> :backend:native
  : --> :backend:profiling
  : --> :backend:security
  : --> :compose:desktop
  : --> :compose:web
  : --> :meta:compiler
  : --> :meta:ksp
  : --> :web:js
  : --> :web:wasm
  : --> :meta:compiler:plugin
  : --> :meta:ksp:processor
  : --> :dep-mgmt:bom
  : --> :dep-mgmt:catalog
  :backend:jvm --> :shared
  :backend:jvm --> :backend:data
  :backend:jvm --> :backend:profiling
  :backend:jvm --> :web:js
  :backend:jvm --> :web:wasm
  :backend:security --> :shared