FROM debian:12 RUN apt-get update RUN DEBIAN_FRONTEND=noninteractive \ apt-get install -y \ locales sudo vim RUN locale-gen en_US.UTF-8 && locale-gen ko_KR.UTF-8 ENV LANG C.UTF-8 ENV LC_ALL C.UTF-8 RUN useradd -m user && \ echo "user:Passw0rd" | chpasswd && \ usermod -aG sudo user && \ echo "user ALL=(ALL:ALL) NOPASSWD: ALL" >> /etc/sudoers CMD ["/bin/bash"]