build.gradle.kts

@@ -39,6 +39,7 @@ dependencies {
     implementation("org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.9")
 
     // DB
+    implementation("com.github.f4b6a3:tsid-creator:5.2.6")
     runtimeOnly("com.h2database:h2")
     runtimeOnly("com.mysql:mysql-connector-j")
 

src/main/kotlin/roomescape/common/config/TsidConfig.kt

@@ -0,0 +1,17 @@
+package roomescape.common.config
+
+import com.github.f4b6a3.tsid.TsidFactory
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+class TsidConfig {
+    @Value("\${POD_NAME:app-0}")
+    private lateinit var podName: String
+
+    @Bean
+    fun tsidFactory(): TsidFactory = TsidFactory(podName.substringAfterLast("-").toInt())
+}
+
+fun TsidFactory.next(): Long = this.create().toLong()