refactor: move Docker build files to build/ directory

build/Dockerfile

@@ -0,0 +1,72 @@
+# ###################################################################
+# Dockerfile - FGTools
+# ###################################################################
+# 퍼스트가든 통합 도구 Docker 이미지
+# ###################################################################
+
+FROM python:3.11-slim
+
+LABEL maintainer="dev@firstgarden.co.kr"
+LABEL description="FGTools - First Garden 통합 도구"
+
+# 환경변수 설정
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONIOENCODING=utf-8
+ENV LANG=C.UTF-8
+ENV LC_ALL=C.UTF-8
+ENV TZ=Asia/Seoul
+
+# 작업 디렉토리 설정
+WORKDIR /app
+
+# 시스템 패키지 설치 (vim + 한글 지원 + 타임존)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    vim \
+    locales \
+    tzdata \
+    curl \
+    && rm -rf /var/lib/apt/lists/* \
+    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
+    && echo $TZ > /etc/timezone
+
+# 한글 로케일 설정
+RUN sed -i '/ko_KR.UTF-8/s/^# //g' /etc/locale.gen && \
+    locale-gen ko_KR.UTF-8
+ENV LANG=ko_KR.UTF-8
+ENV LC_ALL=ko_KR.UTF-8
+
+# vim 설정 (visual mode 비활성화 + 한글 지원)
+RUN echo 'set mouse-=a' >> /etc/vim/vimrc.local && \
+    echo 'set encoding=utf-8' >> /etc/vim/vimrc.local && \
+    echo 'set fileencodings=utf-8,cp949,euc-kr' >> /etc/vim/vimrc.local && \
+    echo 'set termencoding=utf-8' >> /etc/vim/vimrc.local
+
+# Python 의존성 설치
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt && \
+    pip install --no-cache-dir gunicorn
+
+# 애플리케이션 코드 복사
+COPY core/ ./core/
+COPY services/ ./services/
+COPY apps/ ./apps/
+COPY *.py ./
+
+# 로그 및 데이터 디렉토리 생성
+RUN mkdir -p /app/logs /app/data /app/conf
+
+# 헬스체크
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:${FLASK_PORT:-5000}/api/dashboard/health || exit 1
+
+# 기본 포트 노출
+EXPOSE 5000 5001 5002
+
+# 엔트리포인트
+COPY build/docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
+
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["dashboard"]