diff --git a/Dockerfile b/Dockerfile
index 4e807138..912a7bb0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,8 @@
 FROM openjdk:11-jdk
-COPY gradlew .
-COPY gradle gradle
-COPY build.gradle .
-COPY settings.gradle .
-RUN chmod +x ./gradlew
-# JAR_FILE 변수에 값을 저장
-ARG JAR_FILE=./build/libs/IceButler_Server-0.0.1-SNAPSHOT.jar
-# 변수에 저장된 것을 컨테이너 실행시 이름을 app.jar파일로 변경하여 컨테이너에 저장
-COPY ${JAR_FILE} app.jar
-ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} ${ENVIRONMENT_VALUE} -jar /app.jar"]
\ No newline at end of file
+
+ARG DEBIAN_FRONTEND=noninteractive
+ENV TZ=Asia/Seoul
+RUN apk --no-cache add tzdata
+
+COPY build/libs/IceButler_Server-0.0.1-SNAPSHOT.jar app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]