chore(core): update gradle docker plugin to 3.0.12

Author: kucharzyk

build.gradle.kts

@@ -26,7 +26,7 @@ buildscript {
   val gradleNodePluginVersion = "1.2.0"
   val dependencyManagementVersion = "1.0.3.RELEASE"
   val uptodatePluginVersion = "1.6.3"
-  val gradleDockerPluginVersion = "3.0.8"
+  val gradleDockerPluginVersion = "3.0.12"
 
   project.extra.set("kotlinVersion", kotlinVersion)
   project.extra.set("springBootVersion", springBootVersion)

shardis-webapp/build.gradle.kts

@@ -31,7 +31,7 @@ tasks.withType<ProcessResources> {
 task<DockerVersion>("dockerVersion")
 
 task<DockerBuildImage>("buildImage") {
-  dependsOn("dockerVersion")
+  dependsOn("build","dockerVersion")
   inputDir = file("${project.projectDir}/")
   tags = setOf(
     "shardis/shardis-webapp:latest",