게시판 등록시간 수정

backend/Dockerfile

@@ -28,8 +28,12 @@ RUN mvn -f backend/pom.xml package -DskipTests -q
 FROM eclipse-temurin:21-jre-alpine AS production
 WORKDIR /app
 
+ENV TZ=Asia/Seoul
+
 RUN addgroup -S spring && adduser -S spring -G spring \
-    && apk add --no-cache su-exec
+    && apk add --no-cache su-exec tzdata \
+    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
+    && echo $TZ > /etc/timezone
 
 COPY --from=builder /build/backend/target/goldenchart-backend-*.jar app.jar
 COPY backend/docker-entrypoint.sh /docker-entrypoint.sh