🐛 fixed org.springframework.boot:spring dependency install error

build.gradle.kts

@@ -23,7 +23,9 @@ repositories {
 dependencies {
     implementation("org.springframework.boot:spring-boot-starter-data-jpa")
     implementation("org.springframework.boot:spring-boot-starter-web")
+    implementation("org.springframework.boot:spring-boot-starter")
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+    implementation("org.springframework.boot:spring-boot-starter-oauth2-client")
     implementation("org.jetbrains.kotlin:kotlin-reflect")
     implementation("io.jsonwebtoken:jjwt-api:0.11.5")
     implementation("io.jsonwebtoken:jjwt-impl:0.11.5")
@@ -32,6 +34,7 @@ dependencies {
     implementation("org.mindrot:jbcrypt:0.4")
     implementation("com.mysql:mysql-connector-j:8.2.0")
     testImplementation("org.springframework.boot:spring-boot-starter-test")
+    testImplementation("org.springframework.security:spring-security-test")
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }

src/main/kotlin/com/toyProject7/karrot/user/controller/UserController.kt

@@ -0,0 +1,18 @@
+package com.toyProject7.karrot.user.controller
+
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+import java.security.Principal
+
+@RestController
+class UserController {
+    @RequestMapping("/")
+    fun home(): String {
+        return "Welcome!"
+    }
+
+    @RequestMapping("/user")
+    fun user(principal: Principal): Principal {
+        return principal
+    }
+}