Use version properties inside pom.xml

src/main/kotlin/starter/Models.kt

@@ -18,6 +18,7 @@ data class Dependency(
     val scope: Scope,
     val logger: String?,
     val repository: String?,
+    val versionKey: String,
 )
 
 data class Repository(val name: String, val url: String)
@@ -31,3 +32,5 @@ data class Project(
     val dependencies: List<Dependency>,
     val repositories: List<Repository>,
 )
+
+data class Version(val name: String, val value: String)

src/main/kotlin/starter/config/Config.kt

@@ -38,6 +38,7 @@ class Config {
                     values.getEnumOrElse("scope", Scope.Compile),
                     values["logger"],
                     values["repository"],
+                    versionKey
                 )
             }
 

src/main/kotlin/starter/templates/PomTemplate.kt

@@ -2,6 +2,7 @@ package starter.templates
 
 import com.mitchellbosecke.pebble.PebbleEngine
 import starter.Project
+import starter.Version
 import starter.utils.prettyPrintXml
 import starter.utils.render
 
@@ -13,6 +14,7 @@ class PomTemplate(private val engine: PebbleEngine) : Template {
             "dependencies" to project.dependencies.sortedBy { it.scope },
             "repositories" to project.repositories,
             "kotlinxSerialization" to project.dependencies.any { it.name == "Kotlinx-serialization" },
+            "versions" to project.dependencies.map { Version(name = it.versionKey, value = it.version) }.toSet()
         )
 
         project.inputs.forEach {

src/main/resources/starter/pom/@dependencies.twig

@@ -8,9 +8,9 @@
     <dependency>
         <groupId>{{ dep.groupId }}</groupId>
         <artifactId>{{ dep.artifactId }}</artifactId>
-        <version>{{ dep.version }}</version>
+        <version>{{ "${" }}{{ dep.versionKey }}{{ ".version}" }}</version>
         {% if dep.scope == "Test" %}
-        <scope>test</scope>
+            <scope>test</scope>
         {% endif %}
     </dependency>
 {% endfor %}

src/main/resources/starter/pom/index.twig

@@ -12,6 +12,11 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <main.class>{{ basePackage }}/{{ name | lower | capitalize }}Kt</main.class>
+        <!-- versions -->
+        {% for version in versions %}
+            <{{version.name}}.version>{{version.value}}</{{version.name}}.version>
+        {% endfor %}
+
     </properties>
 
     {% include "starter/pom/@dependencies" %}
@@ -20,4 +25,4 @@
 
     {% include "starter/pom/@plugins" %}
 
-</project>
+</project>