Simplify Lokksmith integration

server/build.gradle.kts

@@ -17,6 +17,10 @@ kotlin {
     }
 }
 
+tasks.test {
+    useJUnitPlatform()
+}
+
 application {
     mainClass.set("dev.ulfrx.recipe.ApplicationKt")
 
@@ -36,7 +40,6 @@ dependencies {
     implementation(libs.postgresql)
     implementation(projects.shared)
 
-    // Phase 2: Ktor auth + JWT validation + observability (D-21..D-23).
     implementation(libs.ktor.serverAuth)
     implementation(libs.ktor.serverAuthJwt)
     implementation(libs.ktor.serverCallLogging)
@@ -49,10 +52,8 @@ dependencies {
     implementation(libs.hikari)
 
     testImplementation(libs.ktor.serverTestHost)
-    testImplementation(libs.kotlin.testJunit)
+    testImplementation(libs.kotlin.testJunit5)
 
-    // Phase 2: Testcontainers for JIT user provisioning + JWT auth integration tests
-    // (AUTH-03, AUTH-06). Wired here so Plan 02-02 only needs to write tests.
     testImplementation(libs.testcontainers.postgresql)
     testImplementation(libs.testcontainers.junit.jupiter)
 }

server/src/test/kotlin/dev/ulfrx/recipe/auth/MeRouteTest.kt

@@ -15,9 +15,11 @@ import io.ktor.server.routing.routing
 import io.ktor.server.testing.testApplication
 import kotlinx.serialization.json.Json
 import org.flywaydb.core.Flyway
-import org.junit.AfterClass
-import org.junit.BeforeClass
+import org.junit.jupiter.api.AfterAll
+import org.junit.jupiter.api.BeforeAll
 import org.testcontainers.containers.PostgreSQLContainer
+import org.testcontainers.junit.jupiter.Container
+import org.testcontainers.junit.jupiter.Testcontainers
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertNotEquals
@@ -34,16 +36,18 @@ import org.jetbrains.exposed.sql.Database as ExposedDatabase
  * process before any test executes; Exposed is connected through Hikari to
  * the container.
  */
+@Testcontainers
 class MeRouteTest {
     companion object {
+        @Container
+        @JvmStatic
         private val postgres = PostgreSQLContainer("postgres:16")
         private lateinit var dataSource: HikariDataSource
         private val json = Json { ignoreUnknownKeys = true }
 
         @JvmStatic
-        @BeforeClass
+        @BeforeAll
         fun setUpClass() {
-            postgres.start()
             Flyway
                 .configure()
                 .dataSource(postgres.jdbcUrl, postgres.username, postgres.password)
@@ -65,10 +69,9 @@ class MeRouteTest {
         }
 
         @JvmStatic
-        @AfterClass
+        @AfterAll
         fun tearDownClass() {
             dataSource.close()
-            postgres.stop()
         }
     }