diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 11acdba..f3b0d51 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,67 +1,42 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle
-
-name: Java CI with Gradle
+name: CI
 
 on:
-  push:
-    branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
 
 jobs:
   build:
+    runs-on: ubuntu-22.04
 
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Set up JDK 17
-      uses: actions/setup-java@v4
-      with:
-        java-version: '17'
-        distribution: 'temurin'
-
-    # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
-    # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
-    - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0
-
-    - name: Build with Gradle Wrapper
-      run: ./gradlew build
-
-    # NOTE: The Gradle Wrapper is the default and recommended way to run Gradle (https://docs.gradle.org/current/userguide/gradle_wrapper.html).
-    # If your project does not have the Gradle Wrapper configured, you can use the following configuration to run Gradle with a specified version.
-    #
-    # - name: Setup Gradle
-    #   uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0
-    #   with:
-    #     gradle-version: '8.5'
-    #
-    # - name: Build with Gradle 8.5
-    #   run: gradle build
-
-  dependency-submission:
-
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up JDK 17
-      uses: actions/setup-java@v4
-      with:
-        java-version: '17'
-        distribution: 'temurin'
-
-    # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
-    # See: https://github.com/gradle/actions/blob/main/dependency-submission/README.md
-    - name: Generate and submit dependency graph
-      uses: gradle/actions/dependency-submission@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'corretto'
+          java-version: '17'
+
+      - name: create application.yml
+        run: |
+          ## create application.yml
+          mkdir ./src/main/resources
+          cd ./src/main/resources
+          
+          # application.yml 파일 생성
+          touch ./application.yml
+          
+          # GitHub-Actions 에서 설정한 값을 application.yml 파일에 쓰기
+          echo "${{ secrets.CI_APPLICATION }}" >> ./application.yml
+          
+          # application.yml 파일 확인
+          cat ./application.yml
+        shell: bash
+
+      - name: build
+        run: |
+          chmod +x gradlew
+          ./gradlew build -x test
+        shell: bash
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b3db3e2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,39 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+application.yml
diff --git a/build.gradle b/build.gradle
index f702418..ba022c9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,6 +20,8 @@ dependencies {
 	runtimeOnly 'org.postgresql:postgresql'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+	compileOnly 'org.projectlombok:lombok'
+	annotationProcessor 'org.projectlombok:lombok'
 }
 
 tasks.named('test') {
diff --git a/src/main/java/com/example/demo/controller/ProfileController.java b/src/main/java/com/example/demo/controller/ProfileController.java
new file mode 100644
index 0000000..c60355b
--- /dev/null
+++ b/src/main/java/com/example/demo/controller/ProfileController.java
@@ -0,0 +1,23 @@
+package com.example.demo.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.env.Environment;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Arrays;
+
+@RestController
+@RequiredArgsConstructor
+public class ProfileController {
+
+    private final Environment env;
+    private static final String NULL = "";
+
+    @GetMapping("/profile")
+    public String getProfile() {
+        return Arrays.stream(env.getActiveProfiles())
+                .findFirst()
+                .orElse(NULL);
+    }
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index 2109a44..0000000
--- a/src/main/resources/application.properties
+++ /dev/null
@@ -1 +0,0 @@
-spring.application.name=demo