diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
new file mode 100644
index 0000000..a724c22
--- /dev/null
+++ b/.github/workflows/gradle.yml
@@ -0,0 +1,78 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    name: Build & Push Docker Image
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checkout
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      # JDK
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      # Gradle cache
+      - name: Setup Gradle Cache
+        uses: gradle/actions/setup-gradle@v4
+
+      # Gradle build
+      - name: Build with Gradle
+        run: ./gradlew clean build -x test
+
+      # DockerHub Login
+      - name: DockerHub Login
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      # Docker build
+      - name: Build Docker Image
+        run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/spring-cicd-test .
+
+      # Docker push
+      - name: Push Docker Image
+        run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/spring-cicd-test
+
+  deploy:
+    name: Deploy to EC2
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Deploy to EC2 via SSH
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: ${{ secrets.EC2_HOST }}
+          username: ubuntu
+          key: ${{ secrets.EC2_SSH_KEY }}
+          script: |
+            echo "[1] Pulling latest Docker image..."
+            docker pull ${{ secrets.DOCKERHUB_USERNAME }}/spring-cicd-test
+
+            echo "[2] Stopping old container..."
+            docker stop spring-app || true
+            docker rm spring-app || true
+
+            echo "[3] Running new container..."
+            docker run -d \
+              --name spring-app \
+              --env-file /home/ubuntu/app/.env \
+              -p 8080:8080 \
+              --restart unless-stopped \
+              ${{ secrets.DOCKERHUB_USERNAME }}/spring-cicd-test
+
+            echo "Deployment Completed Successfully!"
+
diff --git a/.gitignore b/.gitignore
index c4df8f7..6fd5096 100644
--- a/.gitignore
+++ b/.gitignore
@@ -144,4 +144,6 @@ replay_pid*
 
 # End of https://www.toptal.com/developers/gitignore/api/java,intellij
 
-.env
\ No newline at end of file
+.env
+!gradle/wrapper/gradle-wrapper.jar
+
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1afbd07
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,9 @@
+# Dockerfile
+
+# OpenJDK 17 공식 교체 이미지 (openjdk:17 제거됨)
+FROM eclipse-temurin:17-jdk
+
+ARG JAR_FILE=build/libs/*.jar
+COPY ${JAR_FILE} app.jar
+
+ENTRYPOINT ["java", "-jar", "/app.jar"]
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 128a9ec..eb2e76e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 	id 'io.spring.dependency-management' version '1.1.7'
 }
 
-group = 'graduation.project'
+group = 'graduation.project.DoDutch_server'
 version = '0.0.1-SNAPSHOT'
 
 java {
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..8bdaf60
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 37f853b..2e11132 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
index faf9300..adff685
--- a/gradlew
+++ b/gradlew
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -114,7 +114,6 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 
 # Determine the Java command to use to start the JVM.
@@ -172,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
     APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
 
     JAVACMD=$( cygpath --unix "$JAVACMD" )
 
@@ -212,8 +210,7 @@ DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.
diff --git a/gradlew.bat b/gradlew.bat
index 9d21a21..c4bdd3a 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -70,11 +70,10 @@ goto fail
 :execute
 @rem Setup the command line
 
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
 
 :end
 @rem End local scope for the variables with windows NT shell
diff --git a/src/main/java/graduation/project/DoDutch_server/domain/expense/converter/ExpenseConverter.java b/src/main/java/graduation/project/DoDutch_server/domain/expense/converter/ExpenseConverter.java
index 9a38249..64755cf 100644
--- a/src/main/java/graduation/project/DoDutch_server/domain/expense/converter/ExpenseConverter.java
+++ b/src/main/java/graduation/project/DoDutch_server/domain/expense/converter/ExpenseConverter.java
@@ -4,7 +4,6 @@
 import graduation.project.DoDutch_server.domain.expense.entity.Expense;
 import graduation.project.DoDutch_server.domain.member.entity.Member;
 
-import java.time.LocalDate;
 import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
diff --git a/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/AllExpenseByDateResponseDto.java b/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/AllExpenseByDateResponseDto.java
index 6cd099c..1869663 100644
--- a/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/AllExpenseByDateResponseDto.java
+++ b/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/AllExpenseByDateResponseDto.java
@@ -1,6 +1,5 @@
 package graduation.project.DoDutch_server.domain.expense.dto;
 
-import graduation.project.DoDutch_server.domain.expense.entity.ExpenseCategory;
 import lombok.Builder;
 import lombok.Getter;
 
diff --git a/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/ExpenseRequestDto.java b/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/ExpenseRequestDto.java
index cd6e4a3..aead3c6 100644
--- a/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/ExpenseRequestDto.java
+++ b/src/main/java/graduation/project/DoDutch_server/domain/expense/dto/ExpenseRequestDto.java
@@ -1,12 +1,9 @@
 package graduation.project.DoDutch_server.domain.expense.dto;
 
 import graduation.project.DoDutch_server.domain.expense.entity.ExpenseCategory;
-import jakarta.persistence.EnumType;
-import jakarta.persistence.Enumerated;
 import lombok.*;
 
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.util.List;
 
 @Getter
diff --git a/src/main/java/graduation/project/DoDutch_server/domain/trip/dto/Response/TripDetailResponseDTO.java b/src/main/java/graduation/project/DoDutch_server/domain/trip/dto/Response/TripDetailResponseDTO.java
index f7a9c87..17f683c 100644
--- a/src/main/java/graduation/project/DoDutch_server/domain/trip/dto/Response/TripDetailResponseDTO.java
+++ b/src/main/java/graduation/project/DoDutch_server/domain/trip/dto/Response/TripDetailResponseDTO.java
@@ -1,11 +1,11 @@
 package graduation.project.DoDutch_server.domain.trip.dto.Response;
 
 
-import com.fasterxml.jackson.annotation.JsonInclude;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import com.fasterxml.jackson.annotation.JsonInclude;
 
 import java.time.LocalDate;
 import java.util.List;
diff --git a/src/main/java/graduation/project/DoDutch_server/global/common/exception/ExceptionAdvice.java b/src/main/java/graduation/project/DoDutch_server/global/common/exception/ExceptionAdvice.java
index 6fa4ff0..a947dc6 100644
--- a/src/main/java/graduation/project/DoDutch_server/global/common/exception/ExceptionAdvice.java
+++ b/src/main/java/graduation/project/DoDutch_server/global/common/exception/ExceptionAdvice.java
@@ -1,7 +1,6 @@
 package graduation.project.DoDutch_server.global.common.exception;
 
 import graduation.project.DoDutch_server.global.common.apiPayload.code.status.ErrorStatus;
-import graduation.project.DoDutch_server.global.common.exception.GeneralException;
 import graduation.project.DoDutch_server.global.common.apiPayload.code.dto.ErrorReasonDTO;
 import graduation.project.DoDutch_server.global.common.apiPayload.ApiResponse;
 import jakarta.servlet.http.HttpServletRequest;