diff --git a/build.gradle b/build.gradle
index bbd8009..ad496dd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,6 +26,8 @@ repositories {
 dependencies {
 	//implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.0.2' // swagger
+
 	compileOnly 'org.projectlombok:lombok'
 	//runtimeOnly 'com.mysql:mysql-connector-j'
 	annotationProcessor 'org.projectlombok:lombok'
diff --git a/src/main/java/com/umc/dream/TestController.java b/src/main/java/com/umc/dream/TestController.java
index b23066a..68a5d86 100644
--- a/src/main/java/com/umc/dream/TestController.java
+++ b/src/main/java/com/umc/dream/TestController.java
@@ -1,5 +1,6 @@
 package com.umc.dream;
 
+import io.swagger.v3.oas.annotations.Operation;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -7,6 +8,7 @@
 public class TestController {
 
     @GetMapping("/health")
+    @Operation(summary = "health check API",description = "인스턴스의 health check하는 API입니다")
     public String healthCheck() {
         return "I'm healthy!";
     }
diff --git a/src/main/java/com/umc/dream/config/SwaggerConfig.java b/src/main/java/com/umc/dream/config/SwaggerConfig.java
new file mode 100644
index 0000000..bdb965c
--- /dev/null
+++ b/src/main/java/com/umc/dream/config/SwaggerConfig.java
@@ -0,0 +1,35 @@
+package com.umc.dream.config;
+
+import io.swagger.v3.oas.annotations.servers.Server;
+import io.swagger.v3.oas.models.Components;
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.security.SecurityRequirement;
+import io.swagger.v3.oas.models.security.SecurityScheme;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import java.util.Arrays;
+
+@Configuration
+public class SwaggerConfig implements WebMvcConfigurer {
+
+    private static final String BEARER_TOKEN_PREFIX = "Bearer";
+
+    @Bean
+    public OpenAPI openAPI() {
+        String jwtSchemeName = "JWT TOKEN";
+        SecurityRequirement securityRequirement = new SecurityRequirement().addList(jwtSchemeName);
+        Components components = new Components()
+                .addSecuritySchemes(jwtSchemeName, new SecurityScheme()
+                        .name(jwtSchemeName)
+                        .type(SecurityScheme.Type.HTTP)
+                        .scheme(BEARER_TOKEN_PREFIX)
+                        .bearerFormat("JWT"));
+
+        // Swagger UI 접속 후, 딱 한 번만 accessToken을 입력해주면 모든 API에 토큰 인증 작업이 적용됩니다.
+        return new OpenAPI()
+                .addSecurityItem(securityRequirement)
+                .components(components);
+    }
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index a7fd2eb..0000000
--- a/src/main/resources/application.properties
+++ /dev/null
@@ -1 +0,0 @@
-spring.application.name=dream
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
new file mode 100644
index 0000000..de6af51
--- /dev/null
+++ b/src/main/resources/application.yml
@@ -0,0 +1,23 @@
+spring:
+  application:
+    name: dream
+
+
+springdoc:
+  swagger-ui:
+    # swagger-ui ?? ??. default ?? /swagger-ui.html??.
+    path: /swagger-custom-ui.html
+
+  # openAPI ?? ??. default ?? /v3/api-docs ??.
+  api-docs:
+    path: /api-docs
+
+  # request media type ? ?? ?
+  default-consumes-media-type: application/json
+
+  # response media type ? ?? ?
+  default-produces-media-type: application/json
+
+  # ?? ??? ???? controller? swagger-ui? ????.
+#  paths-to-match:
+#    - /api/**
\ No newline at end of file