diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index bd35d0a..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,44 +0,0 @@
-FROM php:8.4-apache
-
-# 타임존 (옵션)
-RUN ln -snf /usr/share/zoneinfo/Asia/Seoul /etc/localtime \
-    && echo Asia/Seoul > /etc/timezone
-
-# mod_rewrite 활성화
-RUN a2enmod rewrite
-
-# 필수 라이브러리 + PHP 확장 설치 (intl, pdo_mysql, mysqli, gd, zip)
-RUN apt-get update && apt-get install -y \
-        libicu-dev \
-        libpng-dev \
-        libjpeg-dev \
-        libfreetype6-dev \
-        libzip-dev \
-        zip \
-    && docker-php-ext-configure gd --with-freetype --with-jpeg \
-    && docker-php-ext-install intl pdo pdo_mysql mysqli gd zip \
-    && rm -rf /var/lib/apt/lists/*
-
-# composer 바이너리 복사 (멀티스테이지)
-COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
-
-# DocumentRoot 를 CI4 public 으로 변경
-ENV APACHE_DOCUMENT_ROOT=/var/www/html/public
-
-# 기본 vhost 의 DocumentRoot 만 변경
-RUN sed -ri -e 's!DocumentRoot /var/www/html!DocumentRoot ${APACHE_DOCUMENT_ROOT}!g' \
-    /etc/apache2/sites-available/000-default.conf
-
-# CI4 public 디렉터리에 .htaccess 허용 + 접근 허용
-RUN printf "<Directory /var/www/html/public>\n\
-    AllowOverride All\n\
-    Require all granted\n\
-</Directory>\n" > /etc/apache2/conf-available/ci4.conf \
-    && a2enconf ci4
-
-WORKDIR /var/www/html
-
-# writable 폴더 만들고 권한 부여
-RUN mkdir -p /var/www/html/writable/upload/notice \
-    && chown -R www-data:www-data /var/www/html/writable \
-    && chmod -R 775 /var/www/html/writable