diff --git a/build/Dockerfile b/build/Dockerfile
index f16c21a..d018db8 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,24 +1,35 @@
 FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND=noninteractive
+ENV LANG=ko_KR.UTF-8
+ENV LANGUAGE=ko_KR:ko
+ENV LC_ALL=ko_KR.UTF-8
 
-# 필수 패키지 설치 및 크롬 설치
+# 기본 패키지 설치 및 한글 로케일 구성
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-    python3 python3-pip cron curl unzip wget \
-    libglib2.0-0 libnss3 libgconf-2-4 libfontconfig1 libxss1 libxshmfence1 \
-    libasound2 libxtst6 libappindicator3-1 fonts-liberation libu2f-udev && \
+    locales bash tzdata && \
+    locale-gen ko_KR.UTF-8 && \
+    ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime && \
+    dpkg-reconfigure --frontend noninteractive tzdata
+
+# 시스템 필수 패키지 및 Chrome 설치
+RUN apt-get install -y --no-install-recommends \
+    python3 python3-pip cron curl unzip wget gnupg ca-certificates \
+    xvfb x11-utils libglib2.0-0 libnss3 libgconf-2-4 libfontconfig1 \
+    libxss1 libxshmfence1 libasound2 libxtst6 libappindicator3-1 \
+    fonts-nanum libu2f-udev && \
     ln -s /usr/bin/python3 /usr/bin/python && \
     wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb && \
     apt-get install -y ./google-chrome-stable_current_amd64.deb && \
     rm google-chrome-stable_current_amd64.deb && \
-    rm -rf /var/lib/apt/lists/*
+    apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# 파이썬 패키지 설치
+# Python 패키지 설치
 RUN pip3 install --no-cache-dir \
-    selenium>=4.10 pymysql ftputil pillow
+    selenium>=4.10 pymysql ftputil pillow pyvirtualdisplay
 
-# 작업 디렉토리 설정
+# 작업 디렉토리
 WORKDIR /data
 
 # 크론탭 설정