docker 명령어 설치하기

apt-get update && \
    apt-get install -y \
      ca-certificates \
      curl \
      gnupg \
      lsb-release && \
    mkdir -p /etc/apt/keyrings && \
    curl -fsSL https://download.docker.com/linux/debian/gpg | \
      gpg --dearmor -o /etc/apt/keyrings/docker.gpg && \
    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
      https://download.docker.com/linux/debian \
      $(lsb_release -cs) stable" \
      > /etc/apt/sources.list.d/docker.list && \
    apt-get update && \
    apt-get install -y docker-ce-cli && \
    rm -rf /var/lib/apt/lists/*