diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..bb89c4d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,9 @@
+.git
+.gitignore
+.gradle
+build
+out
+**/node_modules
+**/.idea
+**/*.iml
+**/.DS_Store
\ No newline at end of file
diff --git a/.github/workflows/release-deploy.yml b/.github/workflows/release-deploy.yml
new file mode 100644
index 0000000..761ffc8
--- /dev/null
+++ b/.github/workflows/release-deploy.yml
@@ -0,0 +1,87 @@
+name: Release Deploy
+
+on:
+  push:
+    branches: ["release"]
+  workflow_dispatch: {}
+
+env:
+  AWS_REGION: us-west-2
+  ACCOUNT_ID: 590184104064
+  ECR_REPOSITORY: popcong-server
+  REGISTRY: ${{ env.ACCOUNT_ID }}.dkr.ecr.${{ env.AWS_REGION }}.amazonaws.com
+  IMAGE_TAG: ${{ github.sha }}
+
+concurrency:
+  group: release-deploy
+  cancel-in-progress: true
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ env.AWS_REGION }}
+
+      - name: Login to Amazon ECR
+        uses: aws-actions/amazon-ecr-login@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build & Push (linux/amd64)
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64
+          push: true
+          context: .
+          file: ./Dockerfile
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.ECR_REPOSITORY }}:${{ env.IMAGE_TAG }}
+            ${{ env.REGISTRY }}/${{ env.ECR_REPOSITORY }}:latest
+
+  deploy:
+    needs: build-and-push
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - name: Connect & Deploy on EC2
+        uses: appleboy/ssh-action@v1.2.0
+        with:
+          host: ${{ secrets.EC2_HOST }}
+          username: ${{ secrets.EC2_USER }}
+          key: ${{ secrets.EC2_SSH_KEY }}
+          script: |
+            set -euo pipefail
+
+            AWS_REGION="${{ env.AWS_REGION }}"
+            ACCOUNT_ID="${{ env.ACCOUNT_ID }}"
+            REGISTRY="${ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com"
+
+            echo "[EC2] ECR 로그인"
+            aws ecr get-login-password --region "$AWS_REGION" | docker login --username AWS --password-stdin "$REGISTRY"
+
+            echo "[EC2] 디렉토리 이동"
+            cd ~/popcong
+
+            echo "[EC2] 최신 이미지 Pull"
+            docker compose pull
+
+            echo "[EC2] 재기동"
+            docker compose up -d --remove-orphans
+
+            echo "[EC2] 상태 확인"
+            docker compose ps
+            docker ps
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..68e9327
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,57 @@
+# amazoncorretto:21-alpine 이미지를 베이스로 사용 / 컨테이너 내부 작업 디렉토리는 app으로 함
+FROM amazoncorretto:21-alpine AS builder
+WORKDIR /app
+
+# Gradle 캐시 최적화를 위한 복사
+COPY gradlew gradle.properties* settings.gradle* build.gradle* /app/
+COPY gradle /app/gradle
+
+# Gradle Wrapper 실행 권한 부여 및 버전 확인
+RUN chmod +x gradlew && ./gradlew --version
+
+# 실제 소스코드 복사
+COPY . /app
+
+# 이미지 빌드
+RUN ./gradlew clean bootJar -x test
+
+# Spring Boot layertools로 레이어 추출
+RUN java -Djarmode=layertools -jar $(find build/libs -name "*.jar" | head -n 1) extract --destination /app/layers
+
+# Runtime
+# 런타임에서도 같은 openjdk 이미지 사용
+FROM amazoncorretto:21-alpine
+
+# 일반 사용자로 실행
+RUN addgroup -S popcong && adduser -S popcong -G popcong -u 1001
+
+# 런타임 작업 디렉토리 지정
+WORKDIR /app
+
+# Spring Boot layertools 사용한 경우 설정하는 부분
+# 의존성 레이어
+COPY --from=builder /app/layers/dependencies/ ./
+# Spring Boot 런처 레이어
+COPY --from=builder /app/layers/spring-boot-loader/ ./
+# 스냅샷 의존성 레이어
+COPY --from=builder /app/layers/snapshot-dependencies/ ./
+# 애플리케이션 코드 레이어: 가장 자주 바뀌는 부분
+COPY --from=builder /app/layers/application/ ./
+
+# 한국 환경 기본 환경변수 설정
+ENV TZ=Asia/Seoul \
+    LANG=ko_KR.UTF-8 \
+    LANGUAGE=ko_KR:ko:en \
+    LC_ALL=ko_KR.UTF-8 \
+    SPRING_PROFILES_ACTIVE=prod \
+    SERVER_PORT=8080 \
+    JAVA_OPTS="-XX:MaxRAMPercentage=75 -XX:InitialRAMPercentage=50 -Dfile.encoding=UTF-8 -Duser.timezone=Asia/Seoul"
+
+# 컨테이너에서 노출할 포트
+EXPOSE 8080
+
+# root가 아닌 spring 사용자로 실행
+USER popcong
+
+# JarLauncher로 레이어 디렉토리 구조에 맞춰 앱 부팅 (Spring Boot layertools 사용한 경우)
+ENTRYPOINT ["sh","-c","java $JAVA_OPTS -cp /app org.springframework.boot.loader.launch.JarLauncher"]
\ No newline at end of file
diff --git a/src/main/java/popcong/app/adapter/in/jwt/handler/OAuth2SuccessHandler.java b/src/main/java/popcong/app/adapter/in/jwt/handler/OAuth2SuccessHandler.java
index 03c20a6..ea45c3e 100644
--- a/src/main/java/popcong/app/adapter/in/jwt/handler/OAuth2SuccessHandler.java
+++ b/src/main/java/popcong/app/adapter/in/jwt/handler/OAuth2SuccessHandler.java
@@ -21,7 +21,6 @@
 import java.io.IOException;
 import java.time.Duration;
 import java.util.Arrays;
-import java.util.List;
 import java.util.Optional;
 
 //import static popcong.app.infra.config.security.SignInRedirectCaptureFilter.ALLOW_LIST;
@@ -39,10 +38,9 @@ public class OAuth2SuccessHandler extends SimpleUrlAuthenticationSuccessHandler
     private String frontendBaseUrl;
 
     @Value("${app.frontend.path.main}")
-    private String mainPath;
-
+    private String mainPath; // home
     @Value("${app.frontend.path.signup}")
-    private String signupPath;
+    private String signupPath; // signup
 
     @Value("${app.cookie.domain}")
     private String cookieDomain;
@@ -87,18 +85,19 @@ public void onAuthenticationSuccess(
         log.info("accessToken: {}", accessToken);
         log.info("refreshToken: {}", refreshToken);
 
-        // 레거시 이름(예전 소문자) 먼저 제거
+        // 이름 모두 제거
         removeCookie(response, "access_token", "/");
         removeCookie(response, "refresh_token", "/");
-
-// 혹시 동일 이름이 다른 속성으로 남아있을 수 있으니 현행 이름도 한번 초기화
         removeCookie(response, accessCookieName, accessCookiePath);
         removeCookie(response, refreshCookieName, refreshCookiePath);
 
-// 현행 이름으로만 심기
+        // 현재 이름으로만 심기
         addCookie(response, accessCookieName, accessToken, accessCookiePath, accessCookieMaxAge);
         addCookie(response, refreshCookieName, refreshToken, refreshCookiePath, refreshCookieMaxAge);
 
+        response.setHeader("Cache-Control", "no-store");
+        response.setHeader("Pragma", "no-cache");
+
         String desired = readCookie(request, "login_redirect")
                 .or(() -> Optional.ofNullable(request.getParameter("redirect_uri")))
                 .or(() -> Optional.ofNullable(request.getHeader("Origin")))
diff --git a/src/main/java/popcong/app/global/exception/error/CommonErrorCode.java b/src/main/java/popcong/app/global/exception/error/CommonErrorCode.java
index 70323b5..7765734 100644
--- a/src/main/java/popcong/app/global/exception/error/CommonErrorCode.java
+++ b/src/main/java/popcong/app/global/exception/error/CommonErrorCode.java
@@ -18,9 +18,6 @@ public enum CommonErrorCode implements ErrorCode {
     METHOD_NOT_ALLOWED(HttpStatus.METHOD_NOT_ALLOWED.value(), "C4004", "Invalid Http Method"),
     NO_REQUIRED_FILES(HttpStatus.BAD_REQUEST.value(), "C4005", "필수 제출 파일이 누락되었습니다."),
 
-    // 405
-    METHOD_NOT_ALLOWED(HttpStatus.METHOD_NOT_ALLOWED.value(), "C4054", "Invalid Http Method"),
-
     // 5XX
     INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR.value(), "C5001", "Internal Server Error");
 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index ae72b98..bb6e2a8 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,19 +1,3 @@
 spring:
   profiles:
-    include: secret
-
-  jpa:
-    hibernate:
-      ddl-auto: update # 필요시 create
-    properties:
-      hibernate:
-        format_sql: true
-        show_sql: true
-    open-in-view: false
-
-cloud:
-  aws:
-    profile: dev
-    region: us-east-2     # 버킷 리전
-    s3:
-      bucket: popcongbucket
+    include: secret
\ No newline at end of file