Gradle Multi Module

Root project
- app moudle
- domain module

1) ./gradlew init on root project

2) make app, domain module

3) add include sub module in root's settings.gradle

rootProject.name = 'root-modules'include 'app', 'domain'

it means root project manage app, domain module as sub module

4) root's build.gralde
subprojects - manage all inculded moudle in setting.gralde 

5) add build.gralde to each module

6) app module add domail module as sub module

dependencies {
    compile project(':domain')
}

7) add dependencies to each module

8) add each moudle when project build
make each moudle in jar file when gradle build

- app module

bootJar {
    archiveFileName = 'app.jar'    enabled=true}

- domain module

bootJar { enabled = false }
jar { enabled = true }

dependencies 
- compile
- implementation
- api
- runtime
- testComplie


- References
https://jojoldu.tistory.com/123