diff --git a/.gitignore b/.gitignore
index 1a3333f..1014ef8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@ out/
 .vscode/
 
 ### application.yml ###
+
 application.yml
 
 .idea
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..b221ba0
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,9 @@
+FROM eclipse-temurin:21-jdk
+
+WORKDIR /app
+
+COPY build/libs/*.jar app.jar
+
+EXPOSE 8080
+
+ENTRYPOINT ["java", "-jar", "app.jar"]
diff --git a/src/main/java/com/leets/backend/blog/auth/client/KakaoApiClient.java b/src/main/java/com/leets/backend/blog/auth/client/KakaoApiClient.java
index f922435..cbd5458 100644
--- a/src/main/java/com/leets/backend/blog/auth/client/KakaoApiClient.java
+++ b/src/main/java/com/leets/backend/blog/auth/client/KakaoApiClient.java
@@ -80,7 +80,7 @@ public KakaoUserInfo getUserInfo(String KakaoAccessToken) {
             if (response.getStatusCode() == HttpStatus.OK && response.getBody() != null) {
                 Map<String, Object> body = response.getBody();
 
-                Map<String, Object> kakaoAccount = (Map<String, Object>) body.get("Kakao_Account");
+                Map<String, Object> kakaoAccount = (Map<String, Object>) body.get("kakao_account");
 
                 if (kakaoAccount == null || !(Boolean) kakaoAccount.getOrDefault("is_email_valid", false)) {
                     throw new CustomException(ErrorCode.KAKAO_EMAIL_SCOPE_REQUIRED, "카카오 이메일 정보 접근 동의가 필요합니다.");