polished multi-module build

adapters/persistence/build.gradle

@@ -1,7 +1,7 @@
 dependencies {
     implementation project(':common')
     implementation project(':application')
-    implementation 'org.springframework.boot:spring-boot-starter-data-jdbc'
+    api 'org.springframework.boot:spring-boot-starter-data-jdbc'
     
     compileOnly 'org.projectlombok:lombok'
     runtimeOnly 'com.h2database:h2'

adapters/web/build.gradle

@@ -1,7 +1,7 @@
 dependencies {
     implementation project(':common')
     implementation project(':application')
-    implementation 'org.springframework.boot:spring-boot-starter-web'
+    api 'org.springframework.boot:spring-boot-starter-web'
     
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'

build.gradle

@@ -9,17 +9,12 @@ allprojects {
 
     apply plugin: 'java'
     apply plugin: 'io.spring.dependency-management'
+    apply plugin: 'java-library'
 
     repositories {
         jcenter()
     }
 
-    configurations {
-        compileOnly {
-            extendsFrom annotationProcessor
-        }
-    }
-
     dependencyManagement {
         imports {
             mavenBom("org.springframework.boot:spring-boot-dependencies:2.1.5.RELEASE")

configuration/build.gradle

@@ -9,8 +9,6 @@ dependencies {
     implementation project(':adapters:persistence')
     implementation project(':adapters:web')
 
-    implementation 'org.springframework.boot:spring-boot-starter-web'
-
     testImplementation('org.springframework.boot:spring-boot-starter-test') {
         exclude group: 'junit' // excluding junit 4
     }

gradle.properties

@@ -1 +0,0 @@
-springboot_version=2.1.5.RELEASE