init service: base structure, some api-methods, migrations

build.gradle.kts

@@ -0,0 +1,46 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+	id("org.springframework.boot") version "3.2.4"
+	id("io.spring.dependency-management") version "1.1.4"
+	kotlin("jvm") version "2.0.20"
+	kotlin("plugin.jpa") version "1.9.23"
+	kotlin("plugin.serialization") version "2.0.20"
+	kotlin("plugin.spring") version "1.9.23"
+}
+
+group = "com.example"
+version = "0.0.1-SNAPSHOT"
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_17
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+	implementation("org.flywaydb:flyway-core")
+	implementation("org.jetbrains.kotlin:kotlin-reflect")
+	implementation("org.jetbrains.kotlinx:kotlinx-serialization-json")
+	implementation("org.springframework.boot:spring-boot-starter-jdbc")
+	implementation("org.springframework.boot:spring-boot-starter-mustache")
+	implementation("org.springframework.boot:spring-boot-starter-web")
+	developmentOnly("org.springframework.boot:spring-boot-devtools")
+	runtimeOnly("org.postgresql:postgresql")
+	testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+}
+
+tasks.withType<KotlinCompile> {
+	kotlinOptions {
+		freeCompilerArgs += "-Xjsr305=strict"
+		jvmTarget = "17"
+	}
+}
+
+tasks.withType<Test> {
+	useJUnitPlatform()
+}