diff --git a/.github/workflows/dev_deploy.yml b/.github/workflows/dev_deploy.yml
new file mode 100644
index 0000000..43c7044
--- /dev/null
+++ b/.github/workflows/dev_deploy.yml
@@ -0,0 +1,37 @@
+# 워크플로우 이름
+name: MinKyu_Umc9th
+
+
+on:
+  push:
+    branches: [ "develop" ]
+  pull_request:
+    branches: [ "develop" ]
+
+# 실행될 작업 정의
+jobs:
+
+  build:
+    # OS 환경 지정
+    runs-on: ubuntu-latest
+
+    # 작업 단계들
+    steps:
+      # 1. 리포지토리 코드를 가져오기
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # 2. JDK 24 설치
+      - name: Set up JDK 24
+        uses: actions/setup-java@v4
+        with:
+          java-version: '24'
+          distribution: 'temurin'
+
+      # 3. gradlew 실행 권한 부여
+      - name: Grant execute permission for gradlew
+        run: chmod +x ./gradlew
+
+      # 4. Gradle로 빌드 및 테스트 실행
+      - name: Build with Gradle
+        run: ./gradlew build
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index ee064e0..7617478 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,9 @@ description = 'Demo project for Spring Boot'
 
 java {
 	toolchain {
-		languageVersion = JavaLanguageVersion.of(21)
+		//languageVersion = JavaLanguageVersion.of(21)
+		languageVersion = JavaLanguageVersion.of(24)
+
 	}
 }
 
@@ -25,6 +27,7 @@ repositories {
 }
 
 dependencies {
+	testImplementation 'com.h2database:h2'
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	compileOnly 'org.projectlombok:lombok'
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 015c9db..98447bd 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -3,17 +3,17 @@ spring:
     name: "umc_9th" # "umc9th"
 
   datasource:
-    driver-class-name: com.mysql.cj.jdbc.Driver # MySQL JDBC ???? ??? ??
-    url: jdbc:mysql://localhost:3306/umc9th # jdbc:mysql://localhost:3306/{???????}
+    driver-class-name: com.mysql.cj.jdbc.Driver #
+    url: jdbc:mysql://localhost:3306/umc9th #
     username: root # MySQL ?? ??
     password: 1234 # MySQL ????
 
   jpa:
-    database: mysql # ??? ?????? ?? ?? (MySQL)
-    database-platform: org.hibernate.dialect.MySQLDialect # Hibernate?? ??? MySQL ??(dialect) ??
-    show-sql: true # ??? SQL ??? ??? ???? ?? ??
+    database: mysql #
+    database-platform: org.hibernate.dialect.MySQLDialect #
+    show-sql: true #
     hibernate:
-      ddl-auto: create # ?????? ?? ? ?????? ???? ??? ??
+      ddl-auto: create #
     properties:
       hibernate:
-        format_sql: true # ???? SQL ??? ?? ?? ???
\ No newline at end of file
+        format_sql: true #
\ No newline at end of file
diff --git a/src/test/resources/application.yml b/src/test/resources/application.yml
new file mode 100644
index 0000000..b9c6788
--- /dev/null
+++ b/src/test/resources/application.yml
@@ -0,0 +1,11 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    driver-class-name: org.h2.Driver
+    username: sa
+    password:
+
+  jpa:
+    database-platform: org.hibernate.dialect.H2Dialect
+    hibernate:
+      ddl-auto: create-drop
\ No newline at end of file